---
kind: "unit"
title: "21"
title_heading: "Food and Drugs"
key: "chII/part1311/subpartB"
level: "subpart"
label: "Subpart B"
heading: "Obtaining and Using Digital Certificates for Electronic Orders"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/21/chII-part1311-subpartB"
sections_count: 11
---

# Subpart B — Obtaining and Using Digital Certificates for Electronic Orders

Title 21 C.F.R. — Food and Drugs › Chapter II — Drug Enforcement Administration, Department of Justice › Part 1311 — Requirements for Electronic Orders and Prescriptions

## Sections

- [§1311.10. Eligibility to obtain a CSOS digital certificate.](/cfr/21/1311.10.md)
- [§1311.15. Limitations on CSOS digital certificates.](/cfr/21/1311.15.md)
- [§1311.20. Coordinators for CSOS digital certificate holders.](/cfr/21/1311.20.md)
- [§1311.25. Requirements for obtaining a CSOS digital certificate.](/cfr/21/1311.25.md)
- [§1311.30. Requirements for storing and using a private key for digitally signing orders.](/cfr/21/1311.30.md)
- [§1311.35. Number of CSOS digital certificates needed.](/cfr/21/1311.35.md)
- [§1311.40. Renewal of CSOS digital certificates.](/cfr/21/1311.40.md)
- [§1311.45. Requirements for registrants that allow powers of attorney to obtain CSOS digital certificates under their DEA registration.](/cfr/21/1311.45.md)
- [§1311.50. Requirements for recipients of digitally signed orders.](/cfr/21/1311.50.md)
- [§1311.55. Requirements for systems used to process digitally signed orders.](/cfr/21/1311.55.md)
- [§1311.60. Recordkeeping.](/cfr/21/1311.60.md)