Section 7(3)(i) in The Petroleum and Natural Gas Regulatory Board (Technical Standards and Specifications including Safety Standards for Natural Gas Pipelines) Regulations, 2009
(i)The natural gas pipeline system shall have been tested initially at the time of commissioning in accordance with ASME B 31.8. The entity should have proper records of the same such test record shall have been valid for the current operation. Alternatively, if such a record is not available, the entity should produce in service test record of the natural gas pipeline network having been tested as per ASME B 31.8;