To designate the facility of the United States Postal Service located at 1 Marble Street in Fair Haven, Vermont, as the "Matthew Lyon Post Office Building".

H.R. 5245 is a federal law that officially designates the United States Postal Service facility located at 1 Marble Street in Fair Haven, Vermont, as the "Matthew Lyon Post Office Building." This legislation honors Matthew Lyon, a former Vermont Congressman and Revolutionary War veteran who founded the town of Fair Haven. For local residents and visitors, the primary impact is the ceremonial renaming of the building, which includes the installation of a plaque or signage reflecting the new name.