CFR›Title 29›Subtitle B›Chapter XVII›Part 1902›Subpart D›Subject Group Completion of Developmental Steps—Certification ContainsSections 1902.33–1902.35CorpusDaily eCFRDisplayed edition2026-07-06Last updated2026-07-06 Sections 1902.33 § 1902.33 Developmental period. 1902.34 § 1902.34 Certification of completion of developmental steps. 1902.35 § 1902.35 Effect of certification. Previous Basis for 18(<span class="standard">e</span>) Determinations Basis for 18(<span class="standard">e</span>) Determinations Next General General