(1) A public safety order in relation to a class of persons may be served:
(a) separately on each member of the class as mentioned in section 46(1); or
(b) on the class of persons by publishing in the Gazette :
(i) the order; and
(ii) information about how a written notice of the type mentioned in section 46(1)(b) can be obtained.
(2) If a public safety order in relation to a class of persons is varied, revoked or rescinded, notice of the variation, revocation or rescission of the order may be served:
(a) separately on each member of the class; or
(b) on the class of persons by publishing the notice in the Gazette .
(3) This section applies despite section 77.