CFR›Title 21›Chapter I›21 CFR Part 164 Citation21 CFR Part 164ContainsSubparts Subpart A–Subpart BCorpusDaily eCFRDisplayed edition2026-09-30Last updated2026-09-30 PART 164—TREE NUT AND PEANUT PRODUCTS Subparts Subpart A Subpart A [Reserved] Subpart B Subpart B—Requirements for Specific Standardized Tree Nut and Peanut Products Authority21 U.S.C. 321, 341, 343, 348, 371, 379e.Source42 FR 14475, Mar. 15, 1977, unless otherwise noted.