section 32(3) (building control authorities), for all remaining purposes, so far as it relates to section 91ZD of the 1984 Act.
a. adran 32(3) (awdurdodau rheolaeth adeiladu) at yr holl ddibenion sy’n weddill, i’r graddau y mae’n ymwneud ag adran 91ZD o Ddeddf 1984.