Small Business Taxes & Management

To Do List -- Federal

September 10, 2010

Form 4070, employees who received $20 or more in tip income in August.

September 15, 2010

Form 1120, filing deadline for calendar-year corporations if automatic extension was obtained.
Form 1120S, filing deadline for calendar-year S corporations if automatic extension was obtained.
Form 1041, filing deadline for calendar-year trusts if automatic extension was obtained.
Form 1065, filing deadline for calendar-year partnerships (and LLCs) if automatic extension was obtained.
Form 1040-ES, 3rd installment of estimated tax for individuals due.
Form 1041-ES, 3rd installment of estimated tax for calendar-year trusts and estates.
Corporate estimated tax, 3rd installment, for calendar-year corporations.
Employment tax deposits due for monthly depositors.

Various

Form 8300 (statement to payer of cash of more than $10,000) must be filed with the IRS by the 15th day following the transaction.

Semi-Weekly Employment Tax Deposit Schedule for September:

1, 3, 9, 10, 15, 17, 22, 24, 29

Special Rule: Employers must deposit taxes on next banking day after date employment tax liability exceeds $100,000.

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