Regulationcurrent
49 CFR 192.747
Valve maintenance: Distribution systems.
Current as of 2026-08-18 Government source
eCFR editorial compilationAuthoritative but unofficial
View source (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.#
(b)Each operator must take prompt remedial action to correct any valve found inoperable, unless the operator designates an alternative valve.#