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January
Day Task
10 Report tip income for December, if $20 or more, to your employer (use Form 4070).
15 Pay fourth quarter estimated tax payment for preceding year. If you miss this deadline, you may avoid a penalty by filing your final return for 2002 and paying the balance of your 2002 tax by January 31, 2003 (March 1, 2003 for farmers and fishermen).
31 If you did not pay owed estimated tax on January 15, file your personal income tax return and pay tax due to avoid penalties for underpaying estimated taxes.
31 If you have employees (including household employees), provide them with Form W-2. If you are an employee, you should be receiving these forms. If you do not have yours by mid-February, contact your employer.
31 Provide recipients with their copy of Form 1099 if you have paid interest, dividends or reportable miscellaneous income. If you are a recipient, you should be receiving these forms. If you do not have yours by mid-February contact the payer.

February
Day Task
10 Report tip income for January, if $20 or more, to your employer (use Form 4070).
15 File Form W-4 to claim exemption from withholding.
28 File any required Forms 1099 for interest, dividends and miscellaneous payments described under January 31 (electronic filers can defer filing W-2s to March 31).

March
Day Task
15 File calendar year corporate returns (use Form 1120, 1120-A or 1120S) or file for an automatic six-month extension (use Form 7004).

April
Day Task
15 File your personal tax return (Form 1040, Form 1040A or 1040EZ) or file for an automatic four-month extension (use Form 4868).

June
Day Task
15 Pay the second estimated tax payment for individuals (use Form 1040-ES).

July
Day Task
15 File calendar year partnership and trust returns (use Form 1065 or Form 1041, respectively) for which an extension was obtained. Partnerships and trusts can file for a further 3-month extension (file Form 8800).

September
Day Task
15 Deposit 75% of the amount otherwise due as the third estimated tax payment for calendar year corporations.