If no such attesting witness can be found, or if the document purports to have been executed in the United Kingdom, it must be proved that the attestation of one attesting witness at least is in his handwriting, and that the signature of the person executing the document is in the hand writing of that person.
Section 61 Proof of contents of documents
Section 64 Proof of documents by primary evidence
Section 65 Cases in which secondary evidence relating to documents may be given
Section 65A Special provisions as to evidence relating to electronic record
Section 65B Admissibility of electronic records
Section 66 Rules as to notice to produce
Section 67A Proof as to electronic signature
Section 68 Proof of execution of document required by law to be attested
Section 69 Proof where no attesting witness found
Section 70 Admission of execution by party to attested document