Sch 3 para 4
1 In any proceedings under section 17A or 25(8) , a certificate signed by or on behalf of a Minister of the Crown and certifying— (a) that any conditions or requirements specified in the certificate were imposed by a Minister of the Crown and were in operation at a time or throughout a time so specified, . . . (b) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . shall be conclusive evidence of the matters certified. (1A) In any proceedings under section 17A or 25(8), a certificate signed by or on behalf of the Scottish Ministers and certifying that any conditions or requirements specified in the certificate— (a) were imposed by a member of the Scottish Executive, and (b) were in operation at a time or throughout a time so specified, shall be conclusive evidence of the matters certified. (1B) In any proceedings under section 17A or 25(8), a certificate signed by or on behalf of the Welsh Ministers and certifying that any conditions or requirements specified in the certificate— (a) were imposed by the National Assembly for Wales constituted by the Government of Wales Act 1998, the Welsh Ministers, the First Minister for Wales or the Counsel General to the Welsh Assembly Government , and (b) were in operation at a time or throughout a time so specified, shall be conclusive evidence of the matters certified. (2) A document purporting to be such a certificate as is mentioned in sub-paragraph (1), (1A) or (1B) shall be received in evidence and, unless the contrary is proved, be deemed to be such a certificate.