Water Management (General) Regulation 2018
Current version for 1 July 2020 to date (accessed 10 July 2020 at 08:06)
49   Exemptions relating to certain public authorities
(1)  NSW Trains, Sydney Trains and the Residual Transport Corporation are exempt from section 91D(1) of the Act for the construction or use of a flood work for the purposes of a railway.
(2)  A roads authority for a public road (within the meaning of the Roads Act 1993) is exempt from section 91D(1) of the Act if it constructs or uses a flood work for the purposes of the public road.