In the case of land owned or occupied by or on behalf of the Crown, or leased to, or to a person acting on behalf of, the Crown, or land with respect to which it is proved that there is held, or intended to be acquired, by or on behalf of the Crown an interest in the land which will be affected as mentioned in sub-paragraph (1) or that any of the cost there mentioned has been borne by the Crown, a compliance determination application may be made by any person acting on behalf of the Crown.

The authority to whom a compliance determination application is made shall within 14 days from the receipt of the application publish notice of it in one or more local newspapers circulating in the area in which the land is situated and serve notice of it on any person appearing to the authority to be specially affected by the application.

The authority shall take into consideration any representations made to them in connection with the application within 14 days from the publication of the notice.

Where a compliance determination application is made to an authority the authority shall determine whether the works or use in question fail to comply with any planning control which the authority are responsible for enforcing and, if so, shall specify the control in question.

Where the authority determine that works or a use fail so to comply they shall further determine whether having regard to all relevant circumstances the works or use shall, notwithstanding the failure, be deemed so to comply, either unconditionally or subject to such conditions as to the time for which the works or use may be continued, the carrying out of alterations, or other matters, as the authority think expedient.

Where the applicant is aggrieved by a compliance determination, or where a person by whom representations have been made as mentioned in paragraph 4 is aggrieved by such a determination, he may appeal to the Secretary of State.

The applicant may also appeal if he is aggrieved by the failure of the authority to determine the application within two months from the last day on which representations under paragraph 4 may be made and has served notice on the authority that he appeals to the Secretary of State.

An appeal under this paragraph must be made within the period of 28 days after the applicant has notice of the determination or, in the case of an appeal under sub-paragraph (2), after the applicant has served notice on the authority of the appeal, or within such extended period as the Secretary of State may allow.

On such an appeal the Secretary of State may give, in substitution for the determination, if any, given by the authority, such determination as appears to him to be proper having regard to all relevant circumstances, or, if he is satisfied that the applicant was not a person entitled to make the application, may decide that the application is not to be entertained.

At any stage of the proceedings on such an appeal to him the Secretary of State may, and shall if so directed by the High Court, state in the form of a special case for the opinion of the High Court any question of law arising in connection with the appeal.

If it appears to the Secretary of State that it is expedient, having regard to considerations affecting the public interest (whether generally or in the locality concerned), that any compliance determination application to an authority or any class or description of such applications, should instead of being determined by the authority be referred to him for decision, he may give directions to the authority requiring that application, or applications of that class or description, to be so referred.

This Schedule shall apply to any such reference as if it were an appeal under paragraph 6(2) following failure of the authority to entertain the application.

This paragraph applies where before the relevant date any person proposes to take steps for enforcing a planning control in the case of such works or such a use as mentioned in subsection (1) of section 302.

Subject to sub-paragraph (4), unless a compliance determination application has been made in relation to the land which has not been finally determined, that person shall serve on every owner and occupier of the land not less than 28 days’ notice of the proposal, and if within that period any person makes such an application in relation to the land and within seven days of making it serves on the person proposing to take steps as aforesaid notice that the application has been made, no steps for enforcing the control shall be taken until the final determination of the application.

If such an application has been made which has not been finally determined, no such steps shall be taken until the final determination of it.

No notice shall be required under sub-paragraph (2) if steps for enforcing a planning control in the case of any works on land are begun within 28 days of the final determination of a compliance determination application in relation to the land.

For the purpose of this paragraph a compliance determination application shall be treated as having been finally determined notwithstanding that a subsequent application may be made under paragraph 9.

Admission to any premises which are occupied shall not be demanded as of right unless 24 hours’ notice of the intended entry has been served on the occupier.

Any person who wilfully obstructs any officer of an authority acting in the exercise of his powers under this section shall be liable on summary conviction to a fine not exceeding level 1 on the standard scale.

If any person who in compliance with this paragraph is admitted into a factory, workshop or workplace, discloses to any person any information obtained by him in it with regard to any manufacturing process or trade secret, he shall, unless such disclosure was made in the performance of his duty, be liable on summary conviction to a fine not exceeding level 3 on the standard scale or to imprisonment for a term not exceeding three months.

Any notice or other document required or authorised to be served under this Schedule may be served on any person either by delivering it to him, or by leaving it at his proper address or by post.

Any such document required or authorised to be served upon an incorporated company or body shall be duly served if it is served upon the secretary or clerk of the company or body.

If it is not practicable after reasonable enquiry to ascertain the name or address of an owner or occupier of land on whom any such document is to be served, the document may be served by addressing it to him by the description of “owner” or “occupier” of the premises (describing them) to which it relates, and by delivering it to some person on the premises or, if there is no person on the premises to whom it can be delivered, by affixing it, or a copy of it, to some conspicuous part of the premises.