CFR›Title 29›Subtitle B›Chapter XL›Part 4003›Subpart B ContainsSections 4003.21–4003.22CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart B—Initial Determinations Sections 4003.21 § 4003.21 Form and contents of initial determinations. 4003.22 § 4003.22 Effective date of determinations. Previous A Subpart A—General Provisions Next C Subpart C—Reconsideration of Initial Determinations