16 CFR 1202.6 - Marking.
(a) The manufacturer's or private labeler's name and city or a symbol which will identify the name and city shall appear on the matchbook. In addition, every private labeler must label the matchbook with a code which enables it to identify, if requested, the manufacturer of the product.
Title 16 published on 2013-01-01
no entries appear in the Federal Register after this date.