U.S. Code of Federal Regulations

Regulations most recently checked for updates: Sep 16, 2025

§ 4.905 - What if a due date falls on a day the Department or relevant office is not open for business?

If a due date under this subpart falls on a day the relevant office is not open for business (such as a weekend, holiday, or shutdown), the due date is the next day the relevant office is open for business.

[90 FR 2427, Jan. 10, 2025]