The purpose of this legislation is to officially name a specific post office facility in Buffalo, New York, after William J. Donovan. This act honors Donovan's contributions and legacy by designating the United States Postal Service facility at 1200 William Street, Room 200, as the "William J. Donovan Post Office Building." The key provisions of this legislation include the formal designation of the post office and the requirement that all references to this facility in any legal or official documents will now use the new name.