20 CFR § 408.120
Periods of limitations ending on Federal nonworkdays
February 18, 2021
Title VIII of the Act and the regulations in this part require you to take certain actions within specified time periods or you may lose your right to a portion or all of your benefits. If any such period ends on a Saturday, Sunday, Federal legal holiday, or any other day all or part of which is declared to be a nonworkday for Federal employees by statute or Executive Order, you will have until the next Federal workday to take the prescribed action.