# Retesting.

- **operation:** document
- **citation:** 49 CFR 193.2317
- **title:** Retesting.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** Not available
- **effective on:** 1999-10-01
- **summary:** After testing required by this subpart is completed on a component to contain a hazardous fluid, the component must be retested whenever—

(a) Penetration welding other than tie-in welding is performed; or

(b) The structural integrity of the component is disturbed.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-193-2317.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-193-2317.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-193-2317
- **source url:** https://www.govinfo.gov/app/details/CFR-1999-title49-vol3/CFR-1999-title49-vol3-sec193-2317
**body:**

After testing required by this subpart is completed on a component to contain a hazardous fluid, the component must be retested whenever—

(a) Penetration welding other than tie-in welding is performed; or

(b) The structural integrity of the component is disturbed.
- **truncated:** false
- **body characters:** 266