A bill to designate the facility of the United States Postal Service located at 155 South Main Street in Mount Clemens, Michigan, as the "Lieutenant Colonel Alexander Jefferson Post Office".

This bill (S. 3640) designates the U.S. Postal Service facility at 155 South Main Street in Mount Clemens, Michigan, as the "Lieutenant Colonel Alexander Jefferson Post Office." It directly affects the physical post office location and all official federal references to it. The bill’s key provision requires updating all government documents, maps, and records to use the new name instead of the previous designation. This is a purely commemorative naming bill with no policy changes or impact on postal services. It was enacted on October 1, 2024, following passage by both the Senate and House.