29 CFR §520.202
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The application process, terms, conditions and requirements of certificates and other matters are discussed in subparts D and E of this part. Messengers, learners (excluding student-learners), and apprentices are discussed in subpart D of this part and student-learners in subpart E of this part.