Information for Business Filers S Corporation, C corporation, Partnerships, Limited Liability Company (LLC)


Federal Tax ID Number 

Accounting journals and ledgers: These provide detailed records of your business transactions throughout the year, showing the date, amount, and accounts affected by each transaction.

  • Balance sheet and income statement: These summarize your business's financial position (assets, liabilities, and equity) and performance (revenues and expenses) over a specific period.

  • Transactional supporting documents: This includes any documents that provide evidence of your transactions, such as receipts, invoices, and bank statements.

  • Bank deposit slips: These verify the amounts of cash and checks deposited into your business bank accounts.

  • Bank account statements: These summarize all transactions that occurred in your bank accounts during the period.

  • Invoices received and paid: These document the purchases you made for your business and the sales.

  • Checkbook: If you use checks for business transactions, your checkbook register records those payments.

  • Credit card statements: These track purchases and payments made with your business credit cards.

  • Vehicle and mileage logs: If you use a vehicle for business, these logs track your mileage and related expenses for potential deductions.

    And to claim deductions, you'll need receipts and documentation for all eligible business expenses. 

    Receipts for expenses are grouped into the following categories:

    • Supplies: General office supplies

    • Recurring operational costsRent, utilities, and subscription-based services

    • Meals/travel: Any applicable business meals and travel expenses

    • Marketing/advertising costs: Expenses used to promote your business

    • Professional fees: Attorneys, consultants, accountants, bookkeepers, etc.

    • Insurance policy details: Gather both individual and group plan documents, company vehicle policies, and any other insurance coverage documentation 

    • Equipment and assets: Include depreciation schedules for each 

    Schedule C Self-Employment business using your Social Security Number

Documents from side jobs and self-employment

  • Statements from banks, payment apps, card processors or online marketplaces 

  • Checks paid to you 

  • Receipts and mileage logs for travel, gift and car expenses 

  • Records of deductible office expenses 

  • Estimated tax payments 

  • Other business income and expense records