Year-End Accounting Training for Bookkeepers: W-2s, 1099s, Reconciliations, and Closing the Year

By Vincent Howard, CPA | Managing Partner, Howard, Howard and Hodges | SkillAbility for Accounting Firms

Last updated: August 19, 2026  |  30-minute read

What Is Year-End Accounting Training for Bookkeepers?

Year-end accounting training teaches bookkeepers how to convert the full-year transaction record into reconciled financial statements, complete payroll and information-return populations, documented adjusting entries, a review-ready tax-preparer package, and controlled opening balances for the next accounting year.

That is very different from:

“Finish December, print a P&L, run W-2s and 1099s, and send everything to the CPA.”

A real year-end close connects four systems:

If those systems do not agree, the books are not closed simply because December transactions are posted.

Year-end readiness is evidence, not calendar timing

A bookkeeper is year-end ready when another accounting professional can answer:

• Are all material cash and debt accounts reconciled?
• Do receivables and payables reflect the correct year?
• Are stale or unusual items explained?
• Does payroll reconcile to W-2/W-3 reporting?
• Is the 1099 population complete?
• Are missing W-9s and TIN issues visible?
• Are processor Forms 1099-K reconciled to actual accounting revenue?
• Do fixed assets, disposals, loans, and owner activity have support?
• Are adjusting entries documented and approved?
• Does the tax preparer know what changed?
• Are next-year opening balances protected?

Why Year-End Is a Control System—Not a December Cleanup

The strongest year-end close is built all year.

December should confirm twelve months of controlled bookkeeping.

It should not be the first time anyone discovers:

• A bank account has not reconciled since March
• A credit-card feed duplicated transactions
• A loan balance has no amortization schedule
• An A/R balance includes old deposits or credits that were never cleared
• A/P includes vendors paid by credit card months ago
• Payroll liabilities never tied to quarterly filings
• An employee changed states without the accounting file being updated
• Contractors were never asked for Forms W-9
• A new vendor appears to require Form 1099-NEC
• Marketplace deposits were booked net of fees and refunds
• A Form 1099-K gross amount does not match book revenue
• Fixed asset purchases were expensed inconsistently
• Owner distributions were coded to operating expense
• Prior-year adjusting entries were never reversed
• December transactions posted after the tax-preparer package was sent

Those are not “tax-season” issues.

They are bookkeeping control issues that become visible at tax season.

This is the same development principle behind the Workpaper Review Checklist: manager review should evaluate completed work and judgment, not be the first time basic completeness is tested.

Who I Am and Why This Matters

I have practiced public accounting since 1990. I founded my accounting firm in 1993, merged it in 2001 to form Howard, Howard and Hodges, and helped grow the organization from three people to approximately 50 staff across multiple Florida locations and states. Our firm was named PASBA Firm of the Year in 2015.

Over those years, I have watched year-end bookkeeping evolve from paper ledgers and desktop accounting files into connected systems involving:

• Bank feeds
• Cloud bookkeeping
• Payroll platforms
• Ecommerce systems
• Payment processors
• Accounts-payable automation
• Expense apps
• Marketplace reports
• 1099 filing platforms
• AI-assisted coding and reconciliation

The systems are faster.

But the year-end question has not changed:

Can another accounting professional follow the books from source records to reconciled balances to information reporting to the tax return without reconstructing the year?

Since 2020, I have built and run the SkillAbility accounting workforce development platform used by more than 1,000 accounting professionals across dozens of PASBA firms.

The lesson is consistent:

Bookkeepers become review-ready when firms teach the close standard before year-end—not while the reviewer is fixing the file.

2026 Year-End Reporting Changes Bookkeepers Need to Know

Year-end checklists become dangerous when they are rolled forward without checking annual rules.

For 2026, several changes deserve explicit training.

1. The common 1099-NEC threshold increased to $2,000

For payments made in 2026, the IRS says the threshold for many service payments reported on Form 1099-NEC increased from $600 to $2,000. The threshold is scheduled for inflation adjustment after 2026.

That means a vendor list built from last year’s $600 filter is no longer a reliable 2026 workflow.

2. The 2026 W-2 wage-reporting threshold also changed in limited cases

For 2026, the IRS says Form W-2 is required if federal income, Social Security, or Medicare tax was withheld regardless of the amount of wages.

Where no such tax was withheld, the general wage-reporting threshold increased to $2,000 for 2026.

This is a technical change—not a reason to change normal employee payroll reporting casually.

3. The 1099-K TPSO threshold is back to more than $20,000 and more than 200 transactions

For third-party settlement organizations such as certain payment apps and online marketplaces, the IRS says the federal Form 1099-K reporting threshold reverted to the pre-ARPA level: gross reportable payments must exceed $20,000 and the transaction count must exceed 200.

But a business can still receive a Form 1099-K below that threshold, and payment-card transactions can be reported under separate rules.

Most importantly:

4. The mandatory e-file threshold remains 10 information returns in the aggregate

The federal e-file threshold is generally 10 information returns total, aggregated across applicable return types.

That means a business with six Forms W-2 and four Forms 1099-NEC can cross the e-file threshold even though neither form type reaches 10 by itself.

Forms W-2 are e-filed with the Social Security Administration. Most IRS information returns can be filed through IRIS or another approved method.

5. FIRE is retiring for filing season 2027

The IRS says the FIRE system will be retired for tax year 2026 / filing season 2027, with IRIS becoming the IRS intake system for the affected information returns.

Bookkeepers and firms that still rely on an old FIRE workflow should not wait until January to discover the process changed.

6. 2026 Forms W-2 include new reporting for qualified tips and overtime

For 2026, Form W-2 instructions add:

• Box 12 code TP for total cash tips reported to the employer
• Box 12 code TT for total qualified overtime compensation
• Box 14b for Treasury Tipped Occupation Code information where applicable

The IRS also added related reporting fields to Forms 1099-NEC and 1099-MISC for certain nonemployee tip and overtime reporting.

These are exactly the kinds of annual form changes that should be included in a controlled year-end setup review.

The YEAR-END READY Framework

To make the close teachable, I would train bookkeepers through twelve stages.

YEAR-END READY turns closing the books into a repeatable operating process rather than a January scavenger hunt.

Start Year-End With the Balance Sheet

A clean profit and loss statement can hide an unreconciled balance sheet.

That is why bookkeepers should close balance-sheet accounts before treating the income statement as final.

Cash and bank accounts

Each material bank account should have:

• Statement through year-end
• Completed reconciliation
• Outstanding check/deposit detail
• Explanation of stale items
• No unexplained reconciliation adjustment
• Clear ownership of any unresolved item

Common year-end risks include old outstanding checks, deposits in transit that never clear, duplicated bank-feed transactions, uncleared transfers, and reconciliation adjustments used to force the account to zero.

Credit cards

Reconcile:

• Statement ending balance
• Outstanding card activity
• Payments in transit
• Personal/owner charges
• Duplicate imports
• Merchant credits
• Employee expense items

Loans and lines of credit

The book balance should tie to lender evidence.

Staff should separate:

• Principal
• Interest
• Fees
• Current vs. long-term presentation where applicable
• New borrowings
• Refinancing
• Owner loans

A loan account that “looks close” is not reconciled.

Payroll and tax liabilities

Year-end payroll liabilities should agree to the related payroll returns, provider reports, deposits, and subsequent payments.

For a deeper payroll framework, see the companion SkillAbility article Payroll Tax Training for Accounting Staff: Build Quarterly Filing and Reconciliation Competence once that URL is live.

Train A/R, A/P, Revenue, and Expense Cutoff

Bookkeepers often know how to enter invoices.

Year-end requires a different question:

Does this transaction belong in this year?

Accounts receivable

Review:

• Year-end aging
• Old credits
• Customer deposits
• Unapplied cash
• Write-off candidates
• Invoices issued after year-end for pre-year-end work
• January collections related to December receivables

Accounts payable

Review:

• Year-end aging
• Duplicate vendor bills
• Bills paid by credit card but still open
• Old vendor credits
• January payments for December obligations
• Recurring expenses missing from the final month
• Accrued items outside the normal A/P process

Cash-basis versus accrual-basis does not eliminate bookkeeping cutoff

The tax treatment of timing may differ depending on the taxpayer.

But bookkeeping staff still need to identify what happened and when.

The bookkeeper’s job is to preserve the facts:

• Invoice date
• Service/delivery period
• Payment date
• Receipt date
• Accounting treatment
• Open tax/preparer question where applicable

Reconcile Payroll Before You Produce W-2s

Forms W-2 should confirm the payroll year.

They should not be the first attempt to reconcile it.

Year-end payroll bridge

The IRS recommends reconciling related employment tax and wage-reporting forms.

For 2026, Forms W-2 and W-3 filed with the SSA are due February 1, 2027 because January 31 falls on a Sunday.

W-2 control totals should include

• Box 1 wages
• Federal income tax withheld
• Social Security wages
• Social Security tax withheld
• Medicare wages
• Medicare tax withheld
• Retirement plan codes
• Health savings account contributions where applicable
• Dependent care
• State wages/withholding
• Local wages/withholding
• Third-party sick pay where applicable
• Qualified tips and overtime reporting for 2026 where applicable

2026 W-2 changes require a year-end setup review

For 2026, the W-2 instructions add separate reporting for:

• Cash tips reported to the employer using box 12 code TP
• Qualified overtime compensation using box 12 code TT
• Treasury Tipped Occupation Codes in box 14b where required

If a client has tipped employees or qualified overtime, waiting until January to discover that payroll never tracked the required data is too late.

Build the 1099 Population From the Vendor Ledger—Not From Memory

1099 preparation is not “run the 1099 report and file whatever appears.”

A review-ready process starts with the complete vendor/payment population.

Year-end vendor review

For each material vendor/payee, staff should identify:

• Legal name
• Entity type
• Taxpayer identification number
• Current Form W-9 or other appropriate tax documentation
• Payment type
• Annual reportable amount
• Payment method
• Whether payments were made through a payment card or third-party network
• Applicable 1099 form
• Any backup withholding
• State reporting implications

2026 Form 1099-NEC threshold

For 2026 payments, Form 1099-NEC generally applies to qualifying nonemployee compensation of at least $2,000.

That includes many payments for services performed in the course of a trade or business, subject to the specific form instructions and payee rules.

Do not apply $2,000 blindly to Form 1099-MISC

Several common 2026 Form 1099-MISC categories use the new $2,000 threshold, including qualifying rents, certain other income, medical/health care payments, and certain crop-insurance proceeds.

But different categories retain different thresholds.

Form W-9 should be collected before year-end

A missing Form W-9 in January is evidence of a process problem that began when the vendor was onboarded.

Build vendor onboarding so the firm or client obtains the tax information before reportable payments accumulate.

The IRS backup withholding rate is currently 24% for applicable reportable payments when the backup-withholding rules are triggered.

Electronic filing threshold

If the filer is required to file at least 10 applicable information returns in the aggregate, federal rules generally require e-filing unless an approved waiver or exemption applies.

The aggregation concept matters.

Forms W-2 are filed electronically with the SSA. IRS information returns can use IRIS or another applicable electronic method.

2026 Form 1099-NEC deadline

Because January 31, 2027 falls on a Sunday, the due date for filing and furnishing 2026 Forms 1099-NEC is generally February 1, 2027.

Most other information returns follow different IRS filing schedules, so do not teach “all 1099s are due January 31.”

Form 1099-K Is a Reconciliation Input—Not a Revenue Number

This is one of the most important year-end bookkeeping controls for modern clients.

A Form 1099-K reports gross payment transactions under the applicable rules.

It may not equal accounting revenue.

Why Form 1099-K can differ from book revenue

The gross amount can differ because of:

• Processor fees
• Refunds
• Chargebacks
• Sales tax collected
• Shipping
• Tips
• Transfers between accounts
• Multiple businesses using the same processor
• Timing differences
• Personal or nonbusiness transactions reported incorrectly
• Marketplace gross reporting

For 2026, the federal third-party settlement organization threshold generally requires both:

• More than $20,000 of reportable payments, and
• More than 200 transactions.

But a processor may issue Form 1099-K below the federal threshold, and payment-card reporting has different rules.

Build a 1099-K bridge

Do not force the general ledger to equal the Form 1099-K simply because the IRS received the form.

Reconcile the difference.

Inventory, Fixed Assets, Prepaids, and Accruals Need Year-End Rollforwards

Inventory

Where relevant, bookkeepers should preserve:

• Physical count date
• Count support
• Inventory location
• Goods in transit
• Consigned inventory where applicable
• Obsolete/damaged items flagged for review
• Book-to-count adjustment

The bookkeeper should not independently make complex inventory-tax or valuation decisions outside their scope.

They should give the reviewer the complete facts.

Fixed assets

Year-end fixed-asset work should identify:

• Current-year additions
• Invoice/support
• Placed-in-service facts where available
• Disposals
• Trade-ins
• Vehicles/equipment no longer owned
• Items coded to repairs or supplies that may require review
• Book depreciation if maintained
• Tax-preparer questions

Prepaids and deposits

Review whether year-end balances remain valid.

Common examples:

• Insurance
• Software
• Rent deposits
• Vendor retainers
• Annual service contracts
• Prepaid subscriptions

Accrued liabilities

Bookkeepers should identify recurring obligations that may not have entered A/P by December 31.

Examples can include payroll, bonuses, professional fees, utilities, interest, taxes, or other services received before year-end.

The accounting/tax treatment depends on the client and basis of accounting.

The bookkeeper’s first job is to identify and document the obligation.

Loans, Equity, Intercompany, and Owner Activity Need Their Own Review

Year-end owner and related-party balances are common review trouble spots because they often accumulate through ordinary transaction coding.

Owner draws and distributions

Review accounts for:

• Personal expenses
• Owner-paid business expenses
• Distributions/draws
• Capital contributions
• Owner loans
• Reimbursements

Due-to / due-from accounts

Intercompany or related-party accounts should:

• Agree between entities
• Have explained differences
• Separate loans from operating transactions where appropriate
• Identify old balances for reviewer attention

Retained earnings and opening equity

Do not “fix” retained earnings because the balance looks wrong.

Unexpected retained earnings differences can indicate:

• Prior-year entries were changed after tax filing
• Opening balances were modified
• Closing entries were duplicated
• Prior-year tax adjustments were never posted
• Owner activity was misclassified

Year-End Adjusting Entries Need a Controlled Log

Year-end adjusting entries are often where otherwise clean books lose traceability.

Build an adjusting-entry log that identifies:

Do not automatically post every tax-preparer adjustment

Some tax-return adjustments are not book adjustments.

Some book adjustments may need a different tax treatment.

The firm should define which entries return to the client’s accounting file and which remain tax-workpaper adjustments.

This is where year-end bookkeeping connects directly to professional skepticism training: staff should not accept a prior-year or tax-software adjustment simply because it already exists.

Build the Tax-Preparer Handoff Before the Tax Preparer Asks

A clean tax package should answer:

What changed this year?

• New bank or loan accounts
• New owners
• New entity activity
• New states
• New payroll or contractor arrangements
• Large asset purchases
• Large disposals
• New revenue channels
• Debt refinancing
• Unusual legal/professional costs

What remains open?

Open items should identify:

• The issue
• Why it matters
• Evidence available
• Evidence missing
• Who owns the request
• Deadline
• Bookkeeper recommendation if within scope
• Reviewer decision required

What workpapers should be included?

A year-end package can include:

• Final trial balance
• General ledger
• Bank/credit-card reconciliations
• Loan schedules
• A/R and A/P aging
• Payroll/W-2 reconciliation
• 1099 vendor matrix
• Fixed-asset additions/disposals
• Inventory schedule
• Prepaids/accruals
• Owner/equity schedules
• Adjusting-entry log
• State filing summary
• Open-item report

The goal is not to send every PDF in the client portal.

The goal is to send the evidence the reviewer and tax preparer need to understand the year.

Lock the Year Only After Review

Closing the year has two separate ideas:

1. Accounting close: the balances are reconciled, reviewed, and approved.
2. System lock: permissions or closing-date controls prevent unapproved changes to the closed period.

Do not lock a year just because December is over.

And do not leave a reviewed year permanently open.

Before locking

• All material reconciliations complete
• W-2/W-3 reconciliation complete
• 1099 population reviewed
• Approved adjusting entries posted
• Reviewer questions resolved or documented
• Tax-preparer package delivered
• Final trial balance saved
• Opening balances for next year verified

After locking

Any change to the prior year should follow a controlled reopen/change process.

That process should identify:

• Who requested the change
• Why
• Which financial/tax reports could be affected
• Who approved the change
• Whether the tax preparer must be notified

What Bookkeepers Should Own—and What They Should Escalate

A strong bookkeeper is not the person who independently decides everything.

It is the person who can finish routine work, identify what is different, gather the evidence, and route the remaining judgment to the right person.

Use the Staff Accountant Competency Checklist to calibrate responsibility based on observable work quality rather than tenure alone.

AI and Automation Make Year-End Verification More Important

Automation can make year-end faster.

Bank feeds can classify transactions.

Payroll platforms can create W-2 files.

AP systems can generate vendor reports.

1099 software can identify likely forms.

AI can draft variance explanations and close summaries.

But clean output can still be wrong.

This is why accountants are shifting from preparers to reviewers earlier in their careers. The value is increasingly in validating outputs, challenging exceptions, and protecting the integrity of the close.

Build a Year-End Exception Queue

Do not bury unresolved year-end items in sticky notes, emails, or yellow spreadsheet cells.

100-Point Year-End Readiness Scorecard for Bookkeepers

Suggested interpretation

• 90–100: Strong year-end ownership within the defined bookkeeping scope.
• 80–89: Generally review-ready with targeted coaching.
• 70–79: Appropriate for controlled year-end production with checkpoints.
• Below 70: More structured close practice is needed before broader year-end ownership.

A material unreconciled cash account, hidden information-return issue, unsupported retained-earnings adjustment, confidential-data breach, or unauthorized technical tax conclusion should override the numerical score.

A 30/60/90-Day Year-End Training Plan

Days 1–30: Reconcile the balance sheet

Give the learner realistic:

• Bank statements
• Credit-card statements
• Loan statements
• A/R aging
• A/P aging
• Old outstanding items
• Duplicate feeds
• Unapplied payments

Require a clean reconciliation and open-item list before moving forward.

Days 31–60: Build W-2 and 1099 readiness

Practice:

• Quarterly payroll-to-W-2 tie-out
• 2026 W-2 code changes
• Vendor population review
• $2,000 1099-NEC threshold
• 1099-MISC threshold exceptions
• W-9 completeness
• Backup-withholding exceptions
• 10-return aggregate e-file threshold
• 1099-K reconciliation

Days 61–90: Build the complete close package

Now add:

• Inventory count differences
• Fixed asset purchase hidden in repairs
• Owner expense in operating expenses
• Old due-to/from balance
• Prior-year retained earnings difference
• Accrued December expense paid in January
• Tax-preparer AJE that should not automatically post to books
• Late transaction after the close package is prepared

This is where scenario-based training matters: the learner should practice incomplete and conflicting year-end files before live deadlines make the lesson expensive.

12 Realistic Year-End Bookkeeping Training Scenarios

Scenario 1: The bank account “reconciled” with a plug

The account shows zero difference only because an unexplained reconciliation adjustment was entered.

Scenario 2: The $1,800 contractor

The bookkeeper remembers the old $600 rule and prepares a 1099-NEC without checking the 2026 threshold and other facts.

Scenario 3: The $2,400 attorney payment

The learner must distinguish attorney fees for services from gross proceeds and apply the correct reporting logic.

Scenario 4: Six W-2s and four 1099s

The staff member assumes paper filing is allowed because neither form type reaches 10.

Scenario 5: The missing W-9

A vendor received reportable payments but never returned the form.

Scenario 6: The Form 1099-K that exceeds revenue

The learner must reconcile processor gross transactions, fees, refunds, sales tax, and book revenue instead of forcing the books to equal the information return.

Scenario 7: W-3 wages do not equal payroll

A late fringe benefit or third-party payroll item was not included in the original bridge.

Scenario 8: New W-2 overtime reporting

Payroll tracked total overtime but not the qualified overtime amount required for the new 2026 reporting field.

Scenario 9: The fixed asset in repairs

A large equipment purchase was expensed. The bookkeeper flags it without independently choosing the tax treatment.

Scenario 10: The owner’s personal card

Personal charges were booked as operating expenses throughout the year.

Scenario 11: The retained earnings change

Prior-year balances changed after the tax return was prepared. The learner must use the audit trail rather than plug retained earnings.

Scenario 12: The late January entry into December

The year was reviewed, but someone posts a material December transaction afterward. The learner must follow the reopen/change-control process.

What CPA Firms Should Measure

Do not measure year-end training by whether staff finished the checklist.

Measure whether the books arrive at review clean, supportable, and ready for information reporting and tax work.

These metrics fit the Accounting Onboarding KPIs framework: speed should be measured alongside quality, independence, rework, manager rescue, and readiness for greater responsibility.

Common Year-End Training Mistakes

Mistake 1: Starting with W-2s and 1099s instead of the books

Information returns are outputs of the accounting records and supporting files.

Mistake 2: Treating last year’s thresholds as permanent

The 2026 $2,000 threshold change is a direct example of why annual setup must be refreshed.

Mistake 3: Assuming all 1099s use the same threshold or deadline

Payment type and form matter.

Mistake 4: Letting a 1099-K become the revenue number

Reconcile gross processor reporting to the books; do not force equality.

Mistake 5: Waiting until January for Forms W-9

Vendor tax documentation belongs in onboarding and year-round maintenance.

Mistake 6: Closing the P&L before the balance sheet

Unreconciled assets and liabilities can hide material errors in profit.

Mistake 7: Posting every tax adjustment to the books

Book and tax adjustments are not always the same.

Mistake 8: Locking the year too early

A lock should protect an approved close, not freeze incomplete work.

Mistake 9: Leaving the reviewed year open forever

Post-close changes need controlled authorization and tax-preparer awareness.

Mistake 10: Using the tax preparer as the close department

The tax preparer should receive a review-ready accounting package—not spend March reconciling December bank accounts.

How Year-End Training Builds Better Bookkeepers

Year-end forces a bookkeeper to connect the entire accounting system.

They have to understand:

• Transaction completeness
• Balance-sheet integrity
• Period cutoff
• Payroll reporting
• Vendor documentation
• Information returns
• Asset and liability rollforwards
• Equity
• Adjusting entries
• Reviewer communication
• Tax-preparer needs
• Opening balance continuity

That is why year-end is more than a seasonal task.

It is a capstone bookkeeping competency.

How SkillAbility Helps Firms Build Year-End-Ready Bookkeepers

Most firms already have year-end knowledge.

It is just fragmented.

One senior knows the 1099 process.

One manager knows how to reconcile W-3 to payroll.

The old fixed-asset spreadsheet is in a client folder.

The “do not post this tax AJE” rule lives in someone’s memory.

The retained-earnings fix is buried in a prior-year review note.

That is not scalable development.

BASE — Build technical execution

Bookkeepers practice reconciliations, A/R and A/P cleanup, payroll bridges, W-9/1099 populations, fixed assets, loans, owner activity, adjusting entries, and year-end workpapers.

MAPS — Build judgment and communication

Bookkeepers learn to spot stale balances, question processor reports, identify missing vendor evidence, investigate unusual owner activity, explain differences, and escalate technical decisions with useful facts.

SUMMIT — Build review and leadership capacity

Seniors and managers develop close review, delegation, adjustment approval, tax-preparer coordination, correction oversight, deadline management, and the ability to expand bookkeeper responsibility based on evidence.

The objective is not to eliminate year-end review.

It is to stop using reviewer time as the first true close process.

Frequently Asked Questions About Year-End Accounting Training

What should year-end accounting training for bookkeepers include?

It should include bank, credit-card, loan, A/R, A/P, payroll, tax liability, inventory, fixed-asset, prepaid, accrual, equity, and intercompany reconciliations; W-2/W-3 preparation; vendor/W-9 review; 1099 preparation; Form 1099-K reconciliation; adjusting-entry controls; tax-preparer handoff; open-item management; and the controlled year lock.

What is the Form 1099-NEC threshold for 2026?

For qualifying payments made in 2026, the general federal Form 1099-NEC nonemployee-compensation threshold increased to $2,000. Other information-return categories can use different thresholds, and backup withholding can create reporting below the normal amount threshold.

Is every 2026 Form 1099 threshold $2,000?

No. For example, royalties reported on Form 1099-MISC generally retain a $10 threshold and certain gross proceeds paid to attorneys retain a $600 threshold. Staff should identify the payment category before applying a threshold.

When are 2026 Forms W-2 due?

Forms W-2 and W-3 for 2026 are due to the Social Security Administration by February 1, 2027 because January 31, 2027 falls on a Sunday. Employee copies are generally due by the same date.

When are 2026 Forms 1099-NEC due?

Forms 1099-NEC for 2026 are generally due to the IRS and recipients by February 1, 2027 because January 31 falls on a Sunday.

Do all Forms 1099 have the same filing deadline?

No. Form 1099-NEC has a January 31 statutory schedule subject to weekend/holiday rules. Many other Forms 1099 use later IRS filing deadlines, and some recipient-statement deadlines differ. Use the current IRS general and form-specific instructions.

When is electronic filing required for W-2s and 1099s?

Federal rules generally require electronic filing when a filer must file at least 10 covered information returns in the aggregate, unless an approved waiver or exemption applies. The threshold is not tested separately for each return type.

What is the 2026 Form 1099-K threshold?

For third-party settlement organizations, the federal threshold generally requires more than $20,000 of reportable payments and more than 200 transactions. Businesses may still receive a Form 1099-K below that threshold, and payment-card reporting has separate rules.

Should Form 1099-K equal business revenue?

Not necessarily. Form 1099-K reports gross payment transactions under its rules and may include amounts before fees, refunds, sales tax, shipping, tips, chargebacks, or other reconciling items. Bookkeepers should reconcile the form to processor detail and the accounting records rather than forcing revenue to match it.

What is a Form W-9 used for?

Form W-9 is commonly used to obtain a U.S. payee’s legal name, taxpayer identification number, entity classification, and certifications needed for information reporting and backup-withholding decisions.

What is the backup withholding rate?

The current federal backup withholding rate is 24% for applicable reportable payments when the backup-withholding rules are triggered.

Should a bookkeeper post tax-preparer adjusting entries into the books?

Only under the firm’s approved process. Some tax adjustments should be posted to the accounting file, while other adjustments are tax-only. The entry should be clearly identified, supported, approved, and evaluated for whether it reverses or affects next-year opening balances.

Should retained earnings be adjusted to make the balance sheet work?

No. An unexpected retained-earnings difference should be traced to prior-year or current-year activity, including post-close changes, prior adjustments, duplicated closing entries, or misclassified owner activity.

When should the accounting year be locked?

After material accounts are reconciled, required year-end reporting is controlled, approved adjusting entries are posted, reviewer issues are resolved or documented, the tax-preparer package is delivered, and final balances are saved. Later changes should follow a controlled reopen process.

How should CPA firms train bookkeepers for year-end?

Use realistic sample files containing stale reconciliation items, missing W-9s, incorrect 1099 thresholds, Form 1099-K differences, payroll/W-2 discrepancies, fixed-asset issues, owner transactions, adjusting entries, and late post-close activity. Require a complete review-ready close package and measured self-review before independent year-end responsibility expands.

Current Research and Authority Resources

• IRS — 2026 General Instructions for Forms W-2 and W-3
• IRS — Publication 1099 (2026), General Instructions for Certain Information Returns
• IRS — 2026 Instructions for Forms 1099-MISC and 1099-NEC
• IRS — 2026 Instructions for Form 1099-K
• IRS — Am I Required to File a Form 1099 or Other Information Return?
• IRS Topic 801 — Who Must File Information Returns Electronically
• IRS — E-file Information Returns / IRIS
• Social Security Administration — Filing W-2s, W-2Cs, and W-3s
• IRS — Instructions for Requester of Form W-9
• IRS — Form 1099-K FAQs
• Google Search Central — Optimizing for Generative AI Features

Information-return rules, thresholds, filing systems, deadlines, payroll reporting, state requirements, and accounting standards change. Verify current instructions and the client’s actual facts before relying on a year-end conclusion.

The Bottom Line

Year-end accounting training should not teach bookkeepers how to survive January.

It should teach them how to close the year.

Prove year-to-date completeness.

Reconcile cash, cards, and debt.

Control A/R, A/P, and cutoff.

Reconcile payroll to W-2/W-3.

Build the vendor and 1099 population from evidence.

Reconcile Forms 1099-K instead of treating them as revenue statements.

Roll forward inventory, fixed assets, prepaids, and accruals.

Explain loans, owner activity, equity, and intercompany balances.

Control adjusting entries.

Deliver a tax-preparer package that tells the story of the year.

Lock the period only after the close is approved.

That is YEAR-END READY.

The strongest bookkeeper is not the person who can generate the W-2 and 1099 files fastest.

It is the person who can prove that the books supporting those forms are complete.

They can explain the bank difference.

They can identify the missing W-9.

They can recognize that the $600 threshold is outdated for many 2026 information-return categories.

They can reconcile Form 1099-K to actual business activity.

They can tell the reviewer why retained earnings changed.

They can show which adjustments were posted and which remain tax-only.

And they can move the client into the next accounting year with clean, protected opening balances.

That is not year-end cleanup.

That is accounting competence.

Train the reconciliation.
Train the reporting.
Train the handoff.
Train the lock.
Then expand the responsibility.

Protect Knowledge. Develop People. Scale the Firm.

To bookkeepers who can truly close the year before the tax preparer has to rebuild it,

Vincent Howard, CPA
Managing Partner, Howard, Howard and Hodges
SkillAbility for Accounting Firms

© 2026 SkillAbility for Accounting Firms. This article provides general educational information and does not replace accounting, tax, payroll, employment-law, information-reporting, legal, cybersecurity, or other qualified professional advice. Filing rules, thresholds, due dates, state requirements, and client facts vary and can change.