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- Query: `71 FR 55347`
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- Exported: 2026-08-25T23:26:58.884Z

## 1. Procedures for Transportation Workplace Drug and Alcohol Testing Programs: Corrections to the Federal Register

**Citation:** 71 FR 55347  
**Type / status:** rulemaking / historical  
**Agency:** Office of the Secretary  
**Effective / published:** 2006-09-22 / 2006-09-22

The Department of Transportation published in the Federal Register of August 23, 2006, a final rule (effective September 22, 2006) which added state-licensed or certified marriage and family therapists to the list of credentialed professionals eligible to serve as substance abuse professionals under subpart O of 49 CFR part 40. The final rule also made a series of technical amendments to its drug and alcohol testing procedural rule. This notice corrects a misspelling in the final rule and adds text that was discussed in the preamble but omitted in the rule text.

### Provenance

- Official: Yes
- Source: <https://www.federalregister.gov/documents/2006/09/22/E6-15617/procedures-for-transportation-workplace-drug-and-alcohol-testing-programs-corrections-to-the-federal>
- Source ID: `federal-register`
- SHA-256: `81a101e5762214b8ffc4eddc5c9e470485beccf527eaf16539bf58461c8f15e0`
- Retrieved: 2026-08-20T06:04:51.294Z
- Document slug: `federal-register-e6-15617`
- Related records: 2