4An established use certificate shall be in such form as may be prescribed by a development order and shall specify—
(a)the land to which the certificate relates and any use thereof which is certified by the certificate as established;
(b)by reference to the paragraphs of section 94(1) of this Act, the grounds on which that use is so certified; and
(c)the date on which the application for the certificate was made, which shall be the date at which the use is certified as established.