49 CFR §192.711

1. (a)Temporary repairs. Each operator must take immediate temporary measures to protect the public whenever:
   1. (1)A leak, imperfection, or damage that impairs its serviceability is found in a segment of steel transmission line operating at or above 40 percent of the SMYS; and
   2. (2)It is not feasible to make a permanent repair at the time of discovery.
2. (b)Permanent repairs. An operator must make permanent repairs on its pipeline system according to the following:
   1. (1)
      1. (i)Non-integrity management repairs for gathering lines and offshore transmission lines: For gathering lines subject to this section in accordance with § 192.9 and for offshore transmission lines, an operator must make permanent repairs as soon as feasible.
      2. (ii)Non-integrity management repairs for onshore transmission lines: Except for gathering lines exempted from this section in accordance with § 192.9 and offshore transmission lines, after May 24, 2023, whenever an operator discovers any condition that could adversely affect the safe operation of a pipeline segment not covered by an integrity management program under subpart O of this part, it must correct the condition as prescribed in § 192.714.
   2. (2)Integrity management repairs: When an operator discovers a condition on a pipeline covered under Subpart O-Gas Transmission Pipeline Integrity Management, the operator must remediate the condition as prescribed by § 192.933(d).
3. (c)Welded patch. Except as provided in § 192.717(b)(3), no operator may use a welded patch as a means of repair.