For a vehicular right of way (whether granted before, on, or after 1 January 2008), those implied covenants may be negatived, varied, or extended by—
the instrument, contract, or arrangement creating the vehicular right of way; or
the express terms of any other instrument; or
a written memorandum executed, as the instrument creating the vehicular right of way was required to be executed, by the parties to that instrument; or
an easement instrument registered under section 90A of the Land Transfer Act 1952; or
an easement variation instrument registered under section 90C of the Land Transfer Act 1952.