Chemical Drug Testing
---
identifier: "/us/fr/2020-21805"
source: "fr"
legal_status: "authoritative_unofficial"
title: "Chemical Drug Testing"
title_number: 0
title_name: "Federal Register"
section_number: "2020-21805"
section_name: "Chemical Drug Testing"
positive_law: false
currency: "2020-10-01"
last_updated: "2020-10-01"
format_version: "1.1.0"
generator: "[email protected]"
agency: "Homeland Security Department"
document_number: "2020-21805"
document_type: "rule"
publication_date: "2020-10-01"
agencies:
- "Homeland Security Department"
- "Coast Guard"
cfr_references:
- "46 CFR Part 16"
fr_citation: "85 FR 61825"
fr_volume: 85
---
# Chemical Drug Testing
**CFR Correction**
In Title 46 of the Code of Federal Regulations, Parts 1 to 40, revised as of October 1, 2019, on page 321, in § 16.113, paragraph (a), second sentence, remove the terms “documented and licensed” and add the term “credentialed” in their place.