part_subject: "REQUIREMENTS FOR ELECTRONIC ORDERS AND PRESCRIPTIONS"
subpart_code: "B"
subpart_subject: "Obtaining and Using Digital Certificates for Electronic Orders"
section_number: "1311.35"
section_subject: "Number of CSOS digital certificates needed."
cfr_reference: "21 CFR 1311.35"
title_name: "Title 21"
title_subject: "Food and Drugs"
parts_covered: "Part 1300 to End"
revised_date: "Revised as of April 1, 2019"
publication_date: "As of April 1, 2019"
contains_description: "Containing a codification of documents of general applicability and future effect"
publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"
---
A purchaser of Schedule I and II controlled substances must obtain a separate CSOS certificate for each registered location for which the purchaser will order these controlled substances.