# Who may inspect laboratories?

**Citation:** 49 CFR 40.107  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

As a laboratory, you must permit an inspection, with or without prior notice, by ODAPC, a DOT agency, or a DOT-regulated employer that contracts with the laboratory for drug testing under the DOT drug testing program, or the designee of such an employer.

## Document text

As a laboratory, you must permit an inspection, with or without prior notice, by ODAPC, a DOT agency, or a DOT-regulated employer that contracts with the laboratory for drug testing under the DOT drug testing program, or the designee of such an employer.

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-40.107>
- Source ID: `ecfr`
- SHA-256: `35d9bd0a8a7f83b1ef2d624b41498e8aac235ceadb5612720776281f83b05353`
- Retrieved: 2026-08-20T05:54:21.729Z
- Exported: 2026-08-22T19:56:46.313Z
- Document slug: `49-cfr-40-107`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "40",
  "section": "40.107",
  "subpart": "Subpart F—Drug Testing Laboratories",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```