Which one of the following is not a correct rule for proving the contents of an electronic record?

• A. It should be accompanied by a certificate of identification of the electronic record containing the statement
• B. The statement should be signed by a person who is a practitioner in the relevant responsible position
• C. It is not necessary to give the specifications of the derivation device
• D. It is sufficient that the person certifying the statement has done so to the best of his knowledge and belief