42. An application for a certificate under section 150(1) or 151(1) of the Act must be in writing and must, in addition to specifying the land and describing the use, operations or other matter in question in accordance with those sections, include the following information—
(a)the paragraph of section 150(1) or, as the case may be, section 151(1) of the Act, under which the application is made;
(b)in the case of an application under section 150(1) of the Act, the date on which the use, operations or other matter began or, in the case of operations carried out without planning permission, the date on which the operations were substantially completed;
(c)in the case of an application under section 150(1)(a) of the Act, the name of any use class specified in an order under section 26(2)(f) of the Act which the applicant considers applicable to the existing use;
(d)in the case of an application under section 150(1)(c) of the Act, sufficient details of the relevant planning permission to enable it to be identified;
(e)in the case of an application under section 151(1)(a) of the Act, the use of the land at the date of the application (or, when the land is not in use at that date, the purpose for which it was last used) and the name of any use class specified in an order under section 26(2)(f) of the Act which the applicant considers applicable to the proposed use;
(f)the applicant's reasons, if any, for regarding the use, operations or other matter described in the application as lawful; and
(g)such other information as the applicant considers to be relevant to the application.