§ app. was not found in Title 50

No section with the USLM identifier /us/usc/t50/sapp. exists in this release point.

Sections that were repealed usually remain as a tombstone carrying the repealing act, but ones that were omitted or transferred are absent from the XML entirely. A few appear only under a combined number, such as 1401...1407 for a repealed run of sections.