June 15 – Employer’s Monthly Deposit Due
If you are an employer and the monthly deposit rules apply, June 15 is the due date for you to make your deposit of Social Security, Medicare, and withheld income tax for May 2026. This is also the due date for the nonpayroll withholding deposit for May 2026 if the monthly deposit rule applies.
June 15 – Corporations
Deposit the second installment of estimated income tax for 2026 for calendar year corporations.
Weekends & Holidays:
If a due date falls on a Saturday, Sunday or legal holiday, the due date is automatically extended until the next business day that is not itself a legal holiday.
Disaster Area Extensions:
Please note that when a geographical area is designated as a disaster area, due dates will be extended. For more information whether an area has been designated a disaster area and the filing extension dates visit the following websites:
