Small business tax organizer that starts with the entity type

By Arthur Teboul, DokuTrak · Published

In brief

A business tax organizer asks the owner how the business is taxed, then collects what that return needs: year-end books, bank and card statements, Forms 1099, payroll filings, assets and owner draws. The first answer routes the rest, because a sole proprietor, a partnership and a corporation file different returns.

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The organizer: Small business tax organizer

Answer the routing block first. It tells you and your preparer which return this business files and which extra organizer to add.

Routing: how the business is taxed

Based on: IRS, Limited Liability Company (LLC); Publication 334

  1. Legal form: sole proprietorship, LLC, partnership or corporation
  2. Number of owners at the start and at the end of the year
  3. Did the business file Form 2553 to be taxed as an S corporation?If yes, send: IRS letter accepting the S election
  4. Did the business file Form 8832 to be taxed as a corporation?If yes, send: IRS letter accepting the classification election
  5. Do you and your spouse own and run the business together, without an LLC or corporation?If yes, send: Each spouse’s share of profits and losses; State of residence, if it is a community property state

Business details

Based on: Form 1065, 1120-S or 1120, page 1; Schedule C, lines A to J

  1. Legal name, trade name and employer identification number
  2. Business address and principal business activity
  3. Date the business started
  4. Accounting method: cash or accrual
  5. Did the accounting method or the tax year change?If yes, send: Form 3115 or the IRS approval, if filed
  6. Did the business receive any IRS or state notice this year?If yes, send: A copy of each notice
  7. Are you a new client, or did the business file a return last year?If yes, send: Prior-year business return with all schedules; Prior-year depreciation schedule; Carryover amounts, such as losses or charitable gifts
  8. Did the business receive, sell or hold any digital asset?If yes, send: Exchange or wallet reports for the year; Form 1099-DA, if issued

Books and accounts

Based on: IRS Recordkeeping; Schedule L where required

  1. Year-end profit and loss report and balance sheetIf yes, send: Both reports as of the last day of the tax year
  2. Who keeps the books, and in which software
  3. Does the business have bank, card or loan accounts?If yes, send: December statement for each bank account; December statement for each credit card; Year-end loan statements showing balance and interest paid
  4. Did the business take out, refinance or pay off a loan?If yes, send: Loan agreement or payoff letter

Sales and Forms 1099 received

Based on: Forms 1099-K, 1099-NEC and 1099-MISC

  1. Total gross receipts or sales for the year
  2. Did you receive a Form 1099-K from a payment app, marketplace or card processor?If yes, send: Every Form 1099-K received
  3. Did customers send you Forms 1099-NEC or 1099-MISC?If yes, send: Every Form 1099-NEC and 1099-MISC received
  4. Do you sell products or hold inventory?If yes, send: Inventory count and value at the start and end of the year; Purchase invoices for the year
  5. Inventory valuation method

Contractors and payroll

Based on: Instructions for Forms 1099-MISC and 1099-NEC; Forms 941, 940, W-2 and W-3

  1. Did you pay any contractor $2,000 or more during the year?If yes, send: List of contractors with amounts paid; Form W-9 for each contractor; Copies of the Forms 1099-NEC or 1099-MISC you filed
  2. Did the business have employees?If yes, send: Forms 941 for each quarter, or Form 944; Form 940; Forms W-2 and W-3; State withholding and unemployment returns
  3. Did an owner receive wages through payroll?If yes, send: The owner’s Form W-2

Assets, vehicles and home office

Based on: Form 4562; Publication 463; Form 8829

  1. Did the business buy equipment, furniture, vehicles or improvements?If yes, send: Invoice for each item; Date each item was placed in service
  2. Did the business sell, scrap or trade in any asset?If yes, send: Sale document with date and price
  3. Is a vehicle used for the business?If yes, send: Mileage log by date for the year; Business miles January 1 to June 30, 2026, and July 1 to December 31, 2026; Total and commuting miles for the year
  4. Does an owner use part of the home for the business?If yes, send: Square feet of the office and of the whole home; Reimbursement records, if the company paid the owner

Owners, states and estimated payments

Based on: Form 1040-ES; Forms 1065, 1120-S and 1120 schedules

  1. Owner contributions and owner draws or distributions, by owner
  2. Did the business pay health insurance or retirement plan contributions for an owner?If yes, send: Premium statements; Plan contribution statements
  3. Were federal or state estimated taxes paid for the business income?If yes, send: Date and amount of each payment
  4. Does the business have employees, property or sales in other states?If yes, send: List of states with what the business has in each
  5. Did an owner join or leave, or was the business sold or closed?If yes, send: Purchase or sale agreement; Date of the change

Which return the answers feed

Most organizers for businesses open with names and addresses. This one opens with the tax classification, because it settles which return the preparer builds. The tax classification is how the IRS treats the business for income tax, and it can differ from the legal form filed with the state (IRS, Limited Liability Company (LLC)).

An LLC is the usual source of confusion. A domestic LLC with at least two members is a partnership unless it elects to be taxed as a corporation, and a one-member LLC is disregarded unless it makes that election (IRS, Limited Liability Company (LLC)). So the label "LLC" alone does not tell the preparer which form to open.

Spouses who run a business together are a second trap. If they jointly own and operate an unincorporated business and share profits and losses, they are partners and file Form 1065 instead of Schedule C (IRS Publication 334, Tax Guide for Small Business). They can elect to be a qualified joint venture instead, but a business run through an LLC does not qualify (IRS Publication 334, Tax Guide for Small Business). In a community property state, such as California or Texas, spouses who wholly own the business as community property may treat it as a sole proprietorship or a partnership (IRS Publication 334, Tax Guide for Small Business).

How the business is taxedFederal returnWhat the owner receivesOrganizer to use
Sole proprietor or one-member LLC, no electionSchedule C with the owner’s Form 1040Nothing separate: the profit lands on the owner’s returnSelf-employed (Schedule C)
Partnership or LLC with two or more membersForm 1065Schedule K-1 for each partnerPartnership (Form 1065)
Corporation or LLC with an S electionForm 1120-SSchedule K-1 for each shareholder, plus a W-2 for owner payS corporation (Form 1120-S)
Corporation or LLC taxed as a C corporationForm 1120W-2 for owner pay, and a Form 1099-DIV if dividends are paidC corporation (Form 1120)

The books and statements behind the numbers

The IRS lets a business keep any recordkeeping system that clearly shows its income and expenses (IRS, Recordkeeping for small businesses). What matters to the preparer is that the totals trace back to paper. Purchases, sales and payroll create paper of their own (IRS, Recordkeeping for small businesses). Put simply, supporting documents are the invoices, receipts, deposit slips and statements behind each entry in the books.

The organizer asks for the year-end profit and loss report and the balance sheet first. It then asks for the December statement of every business bank account, card and loan. Those statements let the preparer tie the cash in the books to the bank, and the loan statements show the year-end balance and the interest paid.

The burden of proof sits with the business. You must be able to prove certain elements of an expense to deduct it (IRS, Recordkeeping for small businesses). A total from the software, with no statement or receipt behind it, is the weakest answer an owner can give.

Sales, and the Forms 1099 customers and apps send

Gross receipts come from the books, but the IRS also sees some of them through information returns. A payment app or online marketplace must send Form 1099-K when payments for goods or services total over $20,000 in more than 200 transactions (IRS, Understanding your Form 1099-K). It may send one for lower amounts too (IRS, Understanding your Form 1099-K). Card payments follow a different rule: when customers pay by credit, debit or gift card, the card processor sends Form 1099-K no matter how many payments or how much (IRS, Understanding your Form 1099-K).

Customers who pay the business for services may send Form 1099-NEC or Form 1099-MISC. The organizer asks for each form received, not a total, so the preparer can check that every one is inside reported sales. A card payment that also shows up on a customer’s Form 1099 is a classic double count to look for.

  • Inventory businesses also answer the cost of goods sold block: opening stock, purchases and closing stock, such as a December count sheet.
  • Sales tax collected is not income to the business. Ask whether the books record it in a separate liability account.

Contractors paid and payroll filed

The other side of the 1099 question is what the business must issue. For tax years beginning after 2025, the reporting threshold for these payments rose to $2,000 (Instructions for Forms 1099-MISC and 1099-NEC). The threshold may be adjusted for inflation starting in calendar year 2027 (Instructions for Forms 1099-MISC and 1099-NEC).

Form 1099-NEC must be filed on or before January 31 (Instructions for Forms 1099-MISC and 1099-NEC). That deadline lands before most organizers come back, so the questions ask for copies of what was filed and a Form W-9 for each contractor. A missing W-9 is easier to fix in January than in April.

If the business has employees, the organizer asks for the quarterly and annual payroll returns and the W-2 summary. Those filings tie wages in the books to what was reported, and the preparer needs them for the payroll expense lines on every entity return.

Equipment, vehicles and the home office

Fixed asset questions need a date, a cost and an invoice for each item bought or sold. Good records keep track of your basis in property (IRS, Recordkeeping for small businesses). Here, basis is the starting figure for depreciation, and for the gain when you sell. The prior-year depreciation schedule tells the preparer what is already on the books.

Vehicles need miles, not just receipts. For 2026 the IRS business mileage rate is 72.5 cents a mile from January 1 to June 30 (IRS, Standard mileage rates). The rate is 76 cents a mile from July 1 to December 31, 2026 (IRS, Standard mileage rates). A log by date is the only way to split the miles between the two rates.

Home office questions depend on the entity. A sole proprietor claims it on Schedule C, while an owner of a corporation is usually reimbursed by the company. The organizer asks who paid the costs, then routes the details to the right line.

Owner items and changes during the year

Owner money moves in and out in ways the books often lump together. The organizer asks for owner contributions, draws or distributions, owner health insurance and retirement plan deposits. Each one lands somewhere different depending on the entity, for example a draw is not an expense, but an S corporation owner’s salary is.

Changes are the questions owners skip most. A new owner, a sale of shares, a closed location or a business sold can change the return type or require a final return. An IRS or state notice received during the year belongs here too. If you are unsure, use the LLC tax organizer to settle the classification before you answer the rest.

Questions people ask

Is Form 1120 for an LLC?

Only if the LLC elected to be taxed as a corporation. By default a one-member LLC is disregarded and a multi-member LLC is a partnership (IRS, Limited Liability Company (LLC)). An LLC with an S election files Form 1120-S.

What year-end reports should a small business send its accountant?

Send the profit and loss report, the balance sheet and the general ledger export for the year, plus the December statement of every bank, card and loan account. Add the depreciation schedule from last year’s return.

Do spouses who run a business together file a partnership return?

Generally yes, if they jointly own and operate an unincorporated business and share profits and losses (IRS Publication 334, Tax Guide for Small Business). Spouses who both materially participate and file jointly can elect qualified joint venture status instead (IRS Publication 334, Tax Guide for Small Business).

What changed for small businesses for the 2026 tax year?

The threshold for Form 1099-NEC and most Form 1099-MISC payments rose to $2,000 for tax years beginning after 2025 (Instructions for Forms 1099-MISC and 1099-NEC). The business mileage rate also changed on July 1, 2026 (IRS, Standard mileage rates).

Sources

  • IRS, Limited Liability Company (LLC): A domestic LLC with two or more members is a partnership and a one-member LLC is disregarded, unless it elects to be taxed as a corporation.
  • IRS Publication 334, Tax Guide for Small Business: Spouses who jointly own and operate an unincorporated business are partners filing Form 1065, unless they elect qualified joint venture status (an LLC does not qualify) or own it as community property.
  • IRS, Recordkeeping for small businesses: Any system that clearly shows income and expenses is allowed; supporting documents back the books, records track basis, and the business carries the burden of proof.
  • IRS, Understanding your Form 1099-K: Payment apps and marketplaces send Form 1099-K when payments total over $20,000 in more than 200 transactions, and may send one for less; card processors send one for any amount.
  • Instructions for Forms 1099-MISC and 1099-NEC: For tax years beginning after 2025 the reporting threshold is $2,000, and Form 1099-NEC must be filed by January 31.
  • IRS, Standard mileage rates: The 2026 business rate is 72.5 cents a mile from January 1 to June 30 and 76 cents a mile from July 1 to December 31.

About the author

Arthur Teboul (Founder, DokuTrak) is building DokuTrak after watching professionals lose hours chasing clients for documents over email. Arthur Teboul.

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How this page was made (methodology): it is built from the primary sources listed under Sources, and every rule and figure on it links to the source it comes from. Last updated October 25, 2026. Spotted an error or a rule that changed? Contact us.

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