CFR›Title 21›Chapter I›Part 179›Subpart C ContainsSection 179.45CorpusDaily eCFRDisplayed edition2026-10-21Last updated2026-10-21 Subpart C—Packaging Materials for Irradiated Foods Sections 179.45 § 179.45 Packaging materials for use during the irradiation of prepackaged foods. Previous B Subpart B—Radiation and Radiation Sources