CFR›Title 21›Chapter II›21 CFR Part 1311 Citation21 CFR Part 1311ContainsSubparts Subpart A–Subpart CCorpusDaily eCFRDisplayed edition2026-09-15Last updated2026-09-15 PART 1311—REQUIREMENTS FOR ELECTRONIC ORDERS AND PRESCRIPTIONS Subparts Subpart A Subpart A—General Subpart B Subpart B—Obtaining and Using Digital Certificates for Electronic Orders Subpart C Subpart C—Electronic Prescriptions Authority21 U.S.C. 821, 828, 829, 871(b), 958(e), 965, unless otherwise noted.Source70 FR 16915, Apr. 1, 2005, unless otherwise noted.