Client Resource

S Corporation Tax Checklist

Documents commonly needed for Form 1120-S and shareholder reporting.

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Checklist

  • Prior-year Form 1120-S and shareholder Schedules K-1
  • Year-end profit and loss, balance sheet, trial balance and general ledger
  • Officer compensation and shareholder payroll records
  • Forms W-2/W-3 and payroll tax returns
  • Shareholder ownership percentages and changes during the year
  • Shareholder capital contributions and distributions
  • Shareholder loan activity and year-end balances
  • Shareholder stock and debt basis information
  • Business loans, including year-end principal balances
  • Accounts receivable, inventory, fixed assets and accounts payable
  • Asset purchases, sales and depreciation records
  • Nondeductible expenses and separately stated items
  • Estimated tax and extension payments
  • State apportionment or multistate information where applicable
  • Any IRS or California notices
This resource is general information, not legal advice, and is not a substitute for review of your specific facts. Tax laws and agency procedures may change.