# Are alcohol tests other than saliva or breath permitted under these regulations?

**Citation:** 49 CFR 40.277  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

No, other types of alcohol tests (e,g., blood and urine) are not authorized for testing done under this part. Only saliva or breath for screening tests and breath for confirmation tests using approved devices are permitted.

## Document text

No, other types of alcohol tests (e,g., blood and urine) are not authorized for testing done under this part. Only saliva or breath for screening tests and breath for confirmation tests using approved devices are permitted.

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-40.277>
- Source ID: `ecfr`
- SHA-256: `9dfbdf17407955db6ff0ee37e83d6383b0c82d2a7434c9b11ea3d93cd11f8969`
- Retrieved: 2026-08-20T05:54:21.729Z
- Exported: 2026-08-24T13:34:32.533Z
- Document slug: `49-cfr-40-277`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "40",
  "section": "40.277",
  "subpart": "Subpart N—Problems in Alcohol Testing",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```