Tax Preparation Check List

General list of supporting documents

Form 1040, U.S. Individual Income Tax Return

General Information 

  • Last Year's Return.
  • Your and your spouse's driver's licenses.
  • Full Names and SSNs for yourself, your spouse, and dependents.
  • Estimated Federal, State, local taxes paid or tax withholding.
  • Bank Information (Account and Routing Number for direct deposit/debit)

Documents Requested

  • Alimony received/paid
  • Forms W-2, 1099s 
  • Form 1098s
  • Form 1095s
  • Form 2439s
  • Schedule K1
  • Business Income ( Profit and Loss Statement)
  • Rental property income and expenses: profit/loss statement, suspended loss information
  • Other income (jury duty, gambling winnings, Medical Savings Account, scholarships, etc.)
  • Installment sale information (If any)

Itemized Deductions ( if applicable)

  • Casualty and Theft Losses
  • Charitable Cash Contributions
  • Medical Expense
  • Home Second Mortgage Interest Paid
  • Investment Expenses
  • Job-hunting Expenses
  • Miles Traveled for Medical Purposes
  • Miles Traveled Related to Your Job
  • Moving Expenses
  • State Taxes
  • Student Loan Interest Paid
  • Other deductible expense

Tax Estimate Payments 

  • Estimated Tax Payments 
  • Last Year's Tax Return Overpayment

Schedule C : Profit or Loss From Business | Self-Employed



  • Total Sales
  • Sale discounts
  • Bank Deposits.
  • 1099s
  • Other Income

Costs and Expense


  • Inventory: Begining Balance, Ending Balance, Purchase
  • Bad Debts written off
  • Auto expense/ Business milleage
  • Salaries and Wages
  • Payments to sub-contractors ( forms 1099s)
  • Commissions
  • Home Office/Business Expense
  • Assets acquired date and costs
  • Business loan Interest
  • Insurance
  • Rent Expense
  • Legal and Professional Fees
  • Meals & Entertainment
  • Travel expense
  • Office supplies/ Ultilities
  • Repairs
  • Taxes and licenses
  • Other business related expense 

SCHEDULE E : Rental Real Estate | Document Each Property Individually

Description of Property

  • Type of Property 
  • Address ( Street, City, State, ZIP Code)
  • Number of rental days
  • Personal use days
  • Date Purchased and Cost

Rental Property Income

  • Rents received
  • Deposits forfeited
  • Other Income

Rental Property Expenses

  • Advertising
  • Auto and travel
  • Cleaning and maintenance
  • Commissions
  • Insurance
  • Management fees
  • Mortgage interest paid
  • Other interest.
  • Repairs,Plumbing, Electrical, Appliances.
  • Landscaping
  • Supplies
  • Taxes
  • Utilities
  • Other related costs not listed here (provide details)

Form 1065, U.S. Return of Partnership Income

1. Copy of partnership agreement or bylaws including any amendments

2. Books and Records: The partnership's books and records, including bank statements, check registers, invoices, and receipts.

3. Schedule K-1s: Schedule K-1 forms for each partner, indicating their share of the partnership's income, deductions, credits, and other items.

4. Forms 1099: Forms 1099 received by the partnership, including Forms 1099-MISC, 1099-INT, and 1099-DIV.

5. Depreciation Schedules: Depreciation schedules for all partnership assets, including vehicles, equipment, and real property.

6. Date of purchase, cost, sales proceeds, trade-in allowance, expenses of the sale, and accumulated depreciation for all assets disposed of during the tax year

7. Loan Documentation: Documentation for any loans made to or by the partnership, including promissory notes, loan agreements, and mortgage documents.

8. Partnership Interest Transfers: Documentation for any transfers of partnership interests, including buy-sell agreements and transfer agreements.

9. Previous Tax Returns: Copies of the partnership's previous tax returns, including Forms 1065 and Schedules K-1.

10. Payroll Records: Records of all payroll expenses, including W-2 forms and Forms 941.

11. Reports of state and local payroll tax paid

1120-S, U.S. Income Tax Return for an S Corporation

  • Basic Information

    • Business Details: Name, address, EIN, date of incorporation, and S-corp election date.
    • Articles of Incorporation: Including any amendments.
    • IRS Acceptance Letter: For S election or previously filed Form 2553.
    • Last year’s federal, state, and local tax returns
    • All amounts and dates for state and local estimated tax payments made

  • Shareholder Information

    • Shareholder Details: Names, addresses, SSN/EIN, and percentage of ownership.
    • Capital Contributions and Withdrawals: Reports for all shareholder contributions, withdrawals, or loans.
    • Compensation and Benefits: Reports detailing shareholder compensation and benefits, including medical and life insurance costs.
    • Ownership Changes: Any changes in ownership during the tax year.

  • Financial Records

    • Trial Balance Report: From company books.
    • Bank and Credit Card Statements: To support interest and other business expenses.
    • Forms 1099 and W-2: Copies or summaries of all issued forms.
    • Payroll Tax Reports: Reports detailing federal unemployment, Social Security, Medicare, and state/local payroll taxes paid.
    • Inventory Reports: Including cost of goods or materials purchased for resale or manufacture and the total value at year-end.
    • Income and Expense Records
    • Profit and Loss Statement: Summarizing income and expenses for the year.
    • Balance Sheet: Summarizing assets, liabilities, and owner’s equity at year-end.
    • Fixed Asset Purchases: Details of all equipment, machinery, buildings, vehicles, and other fixed assets purchased.
    • Depreciation Schedules: Prior year schedules detailing asset cost, date placed in service, prior depreciation, and business use percentage.
    • Mileage Logs: For each owned or leased vehicle, including business use and total use.

  • Other Documents

    • Forms 1099 Received: All Forms 1099-B, 1099-DIV, 1099-INT, 1099-K, or 1099-MISC received.
    • Schedule K-1: Received from entities that your business owns.
    • Credit Certificates: Issued by federal or state taxing authorities.

Form 1120, U.S. Corporation Income Tax Return

1. Financial Statements: The corporation's balance sheet, income statement, and cash flow statement.

2. Forms W-2: Forms W-2 for all employees of the corporation, indicating their taxable wages and compensation.

3. Forms 1099: Forms 1099 received by the corporation, including Forms 1099-MISC, 1099-INT, and 1099-DIV.

4. Depreciation Schedules: Depreciation schedules for all corporate assets, including vehicles, equipment, and real property.

5. Receipts and Invoices: Receipts and invoices for all deductible expenses, including advertising, rent, utilities, and travel.

6. Loan Documentation: Documentation for any loans made to or by the corporation, including promissory notes, loan agreements, and mortgage documents.

7. Stock Transfer Records: Documentation for any transfers of corporate stock, including stock certificates and transfer agreements.

8. Previous Tax Returns: Copies of the corporation's previous tax returns, including Forms 1120 and Forms W-2.

9. Payroll Records: Records of all payroll expenses, including Forms 941 and any other payroll-related tax forms.

10. State Tax Returns: Copies of state tax returns filed by the corporation, including state-level forms and schedules.
Houston CPA tax , acounting
Arnold CPA is a full-service
accounting firm in Houston, Texas.
License no. C10791
Phone: 281-947-2082