May 12
- Employees who work for tips – If you received more than $20 in tips during April, report them to your employer.
- Social security, Medicare, and withheld income tax – File Form 941 for the first quarter of 2025. This due date only applies if you deposited the tax for the quarter timely, properly, and in full.
- Nonpayroll withholding – if the monthly deposit rule applies, deposit the tax for payments made in April.
May 26
- Memorial Day
