747. Evidence.

A certificate of an officer of HM Revenue and Customs that, to the best of that officer's knowledge and belief, a relevant sum has not been paid is sufficient evidence that the sum mentioned in the certificate is unpaid1.

A certificate of HM Revenue and Customs that, to the best of their knowledge and belief, any amount shown in a certificate under specified provisions2 has not been paid by an employer, is sufficient evidence that the amount mentioned in the certificate is unpaid and due to the Crown3.

A document that purports to have been issued or signed by or with