30 CFR § 36.20
Quality of material, workmanship, and design.
(b) The quality of material, workmanship, and design shall conform to the applicable requirements of 18.24 of Part 18 of Subchapter D of this chapter (Schedule 2, revised, the latest revision of which is Schedule 2F), titled "Detailed requirements for Class I parts."
(b) The quality of material, workmanship, and design shall conform to the requirements of § 7.98(q) of this chapter.
(c) Power packages approved under part 7, subpart F of this chapter are considered to be acceptable for use in equipment submitted for approval under this part. Sections 36.21 through 36.26 (except § 36.25(f)) and Secs. 36.43 through 36.48 are not applicable to equipment utilizing part 7, subpart F power packages, since these requirements have already been satisfied.
[Sched. 31, 26 FR 645, Jan. 24, 1961, as amended at 61 FR 55526, Oct. 25, 1996]