StacksVerified U.S. regulatory reference

30 CFR Part 57, Appendix I — Standard Applicability by Category or Subcategory

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov

Subcategory I-A

Subcategory I-B

Subcategory I-C

Subcategory II-A

Subcategory II-B

Category III

Category IV

Subcategory V-A

Subcategory V-B

Category VI