37 CFR 6.3 - Schedule for certification marks.
In applications for registration of certification marks based on sections 1 and 44 of the Trademark Act and registrations resulting from such applications, goods and services are classified in two classes as follows:
[73 FR 67775, Nov. 15, 2008]
Title 37 published on 2014-07-01
no entries appear in the Federal Register after this date.