Pipeline type: | Then the frequency of inspection is: |
(1) Onshore other than a Service Line | At least once every 3 calendar years, but with intervals not exceeding 39 months. |
(2) Onshore Service Line | At least once every 5 calendar years, but with intervals not exceeding 63 months, except as provided in paragraph (d) of this section. |
(3) Offshore | At least once each calendar year, but with intervals not exceeding 15 months. |
49 C.F.R. §192.481