969. Any register intended to record births, marriages, and deaths must be in duplicate, and before being used must be numbered upon the first and every subsequent leaf, and be sealed with the seal of the Court, the same being affixed upon the 2 extremities of a ribbon or other such fastening, passing through all the leaves of the register and secured inside of its cover, and upon the first leaf must be written an attestation under the signature of the Judge or Registrar, specifying the number of leaves contained in the register, the purpose for which it is intended and the date of such attestation.