Tax Due Dates

December 2025 Tax Deadlines Table

Date

Audience

Description

December 10

Individuals

Report November tip income of $20 or more to employers (Form 4070).

December 15

Employers

Deposit nonpayroll withheld income tax for November if the monthly deposit rule applies.

December 15

Employers

Deposit Social Security, Medicare, and withheld income taxes for November if the monthly deposit rule applies.

December 15

Calendar-year corporations

Pay the fourth installment of 2025 estimated income taxes, completing Form 1120-W for the corporation’s records.

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