Gas Supply (Safety and Network Management) Regulation 2013
Current version for 8 June 2017 to date (accessed 8 July 2020 at 02:45)
Part 5 Clause 36
36   Notification of damage to underground gas pipelines
A person who is required to notify a network operator under section 64D (1) of the Act of damage to an underground gas pipeline must notify the network operator:
(a)  by telephoning the contact telephone number provided to the person by the designated information provider for that purpose, or
(b)  if no such contact telephone number is provided, by telephoning the emergency contact telephone number for the network operator that is listed in a telephone or internet directory.