passing or rejecting plans under section 16 of the 1984 Act (passing or rejection of plans) including exercising, in relation to such plans, a power in—
caniatáu neu wrthod cynlluniau o dan adran 16 o Ddeddf 1984 (caniatáu neu wrthod cynlluniau) gan gynnwys arfer, mewn perthynas â chynlluniau o'r fath, bŵer yn–