The Registrar-General must give written notice of any application to extinguish a restrictive covenant accepted under this Part to each of the following:
(a) every person with a registered interest in the land to which the benefit of the restrictive covenant is appurtenant,
(b) every person of whom the Registrar-General has notice who, in the opinion of the Registrar-General, has an equitable estate or interest in that land,
(c) every person who is recorded in the Register as having the right to release, vary or modify the restrictive covenant,
(d) every person who is recorded in the Register as a person whose consent is required to a release, variation or modification of the restrictive covenant.