30 CFR Subpart C
Approval and Disapproval
July 29, 2020
§
28.20
Certificates of approval; scope of approval
§
28.21
Certificates of approval; contents
§
28.22
Notice of disapproval
§
28.23
Approval labels or markings; approval of contents; use
§
28.24
Revocation of certificates of approval
§
28.25
Changes or modifications of approved fuses; issuance of modification of certificate of approval