CFR›Title 21›Chapter I›Part 640›Subpart I ContainsSections 640.90–640.94CorpusDaily eCFRDisplayed edition2026-06-17Last updated2026-06-17 Subpart I—Plasma Protein Fraction (Human) Sections 640.90 § 640.90 Plasma Protein Fraction (Human). 640.91 § 640.91 Processing. 640.92 § 640.92 Tests on final product. 640.93 § 640.93 General requirements. 640.94 § 640.94 Labeling. Source42 FR 27583, May 31, 1977, unless otherwise noted. Previous H Subpart H—Albumin (Human) Next J Subpart J—Immune Globulin (Human)