27 CFR §26.106

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗

Containers of beer of Puerto Rican manufacture which are to be shipped to the United States must be marked with the name of the brewer; the serial number, capacity, and size of the container; the kind of beer; and the serial number of the withdrawal permit, TTB Form 5170.7, prefixed by the number of such form, e.g., “ 5170.7-17-1.”