StacksVerified U.S. regulatory reference

49 CFR §192.747

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Each valve, the use of which may be necessary for the safe operation of a distribution system, must be checked and serviced at intervals not exceeding 15 months, but at least once each calendar year.
  2. (b)Each operator must take prompt remedial action to correct any valve found inoperable, unless the operator designates an alternative valve.