To designate the facility of the United States Postal Service located at 1157 West Mission Avenue in Escondido, California, as the "Captain E. Royce Williams Post Office Building".

This section mandates that the United States Postal Service facility situated at 1157 West Mission Avenue in Escondido, California, will be officially recognized and known as the "Captain E. Royce Williams Post Office Building." This is a ceremonial act to honor Captain E. Royce Williams by associating his name with a public federal building.

This subsection ensures that any existing or future official documents, maps, regulations, papers, or other records of the United States that refer to the post office building mentioned in subsection (a) will automatically be considered references to the newly designated "Captain E. Royce Williams Post Office Building." This provision prevents confusion and ensures consistent application of the new name across all governmental records.