On December 14, 2020, U.S. Customs and Border Protection (CBP) released a list of Federal holidays for calendar year 2021 in Cargo Systems Messaging Service (CSMS) #45157088.
The following days are designated as Federal holidays:
- New Year’s Day - Friday, January 1;
- Birthday of Martin Luther King, Jr. - Monday, January 18;
- Washington’s Birthday - Monday, February 15;
- Memorial Day - Monday, May 31;
- Independence Day - Monday, July 5;
- Labor Day - Monday, September 6;
- Columbus Day - Monday, October 11;
- Veterans Day - Thursday, November 11;
- Thanksgiving Day - Thursday, November 25;
- Christmas Day - Friday, December 24.
CSMS #45157088 can be found here: