13. Where by virtue of any provision fo these regulations which is not derived from a corresponding provision of the 1986 regulations, a resolution under these regulations is to make any particular provision or to be made in accordance iwth any procedure, then any corresponding resolution made under those regulations and continuing to have effect after the commencement date—
(a)shall be deemed to have complied with that procedure, and
(b)may be varied so as to make that particular provision.