reg 19 Notice of intention to adopt
Without prejudice to sections 13(6), 32(7) and 40(7), proposals for a statutory plan or for the alteration or replacement of such a plan shall not be adopted by a local planning authority until the period given by the authority in their notice of intention to adopt in Form 1, or where the authority has also given notice of their intention to adopt in Form 3 or Form 4, the period in the last such notice to be given by the authority, has expired.