CFR›Title 15›Subtitle B›Chapter IX›Part 996›Subpart C ContainsSections 996.20–996.23CorpusDaily eCFRDisplayed edition2026-09-24Last updated2026-09-24 Subpart C—Certification of a Hydrographic Product and Decertification. Sections 996.20 § 996.20 Submission of a hydrographic product for certification. 996.21 § 996.21 Performance of compliance testing. 996.22 § 996.22 Certification. 996.23 § 996.23 Audit and decertification of hydrographic products. Previous B Subpart B—The Quality Assurance Program for Hydrographic Products Next D Subpart D—Other Quality Assurance Program Matters