Section 15(1)(a) in The Petroleum and Natural Gas Regulatory Board (Access Code for Common Carrier or Contract Carrier Natural Gas Pipelines) Regulations, 2008
(a)as soon as reasonably practicable notify each of the other parties of the occurrence and nature of the force majeure, the expected duration thereof insofar as the same can reasonably be assessed and the obligations of the affected party performance of which is affected thereby; and