75.These are proposals to vary any of the admission arrangements for a school, including its catchment area (replacing the term “delineated area” used in the 1981 Regulations) or placing request guidelines formulated under section 28B(1)(c) of the 1980 Act. Other types of proposal included here would be a change in selection procedures for schools or converting a school which is a single sex school to a “mixed” school or vice versa.