To designate the facility of the United States Postal Service located at 1200 William Street, Room 200, in Buffalo, New York, as the "William J. Donovan Post Office Building".

This bill gives an honorary name to a local post office. It designates the U.S. Postal Service facility at 1200 William Street, Room 200, in Buffalo, New York, as the “William J. Donovan Post Office Building.” It also says that any references in laws, maps, or documents will use the new name going forward.

Key points:

• What changes: The post office’s official name changes to “William J. Donovan Post Office Building”.
• Who is affected: Local residents, postal customers, and agencies that reference this facility in records or maps.
• Day-to-day impact: Mail services stay the same; this is a ceremonial renaming for signs and official documents.