38Where—
(a)rules made by the ITC for the purposes of section 36 of the 1990 Act (party political broadcasts on Channel 3, Channel 4 or Channel 5), or
(b)rules made by the Radio Authority for the purposes of section 107 of the 1990 Act (party political broadcasts on national radio services),
are in force immediately before the commencement of section 333 of this Act, those rules are to have effect after its commencement as rules made by OFCOM for the purposes of that section of this Act.