CFR›Title 21›Chapter II›Part 1311 ContainsSubparts A–CCorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 PART 1311—REQUIREMENTS FOR ELECTRONIC ORDERS AND PRESCRIPTIONS Subparts A Subpart A—General Sections 1311.01–1311.08 B Subpart B—Obtaining and Using Digital Certificates for Electronic Orders Sections 1311.10–1311.60 C Subpart C—Electronic Prescriptions Sections 1311.100–1311.305 Authority21 U.S.C. 821, 828, 829, 871(b), 958(e), 965, unless otherwise noted.Source70 FR 16915, Apr. 1, 2005, unless otherwise noted. Previous 1310 Part 1310—Records and Reports of Listed Chemicals and Certain Machines; Importation and Exportation of Certain Machines Next 1312 Part 1312—Importation and Exportation of Controlled Substances