Where a neighbourhood area has been designated as a business area under section 61H of the 1990 Act the duty to hold a business referendum and its corresponding residential referendum as to the making of a neighbourhood development order or a neighbourhood development plan imposed by paragraph 12(4) of Schedule 4B to the 1990 Act7 does not apply until regulations in relation to the conduct of business referendums are made under paragraph 16 of Schedule 4B to the 1990 Act.