13.—(1) A registrar shall not register a birth, still-birth or death which has already been registered unless—
(a)the provisions of regulation 45 or 55 apply or
(b)the Registrar General gives his authority.
(2) If it appears to a registrar that a birth, still-birth or death has nevertheless been registered more than once, he shall—
(a)if there is no material difference in the particulars recorded, write in the margin of every entry but the original the words “Inadvertently re-registered. For correct entry see No… Register No…” , inserting the number of the original entry and the number of the register in which it is recorded;
(b)if there is any material difference, report the matter to the Registrar General and make such note in the margin of the entry as the Registrar General may authorise.
(3) Where a birth, still-birth or death is re-registered on the authority of the Registrar General, the registrar making the new entry and the registrar or superintendent registrar having custody of the register in which the original entry was made shall make such notes (if any) in the margin of the respective entries as the Registrar General may direct.
14. Where during the registration of a birth, still-birth, death or marriage it appears to the registrar that he cannot enter the particulars required in any space or column on the appropriate form (other than space 17 on form 1), then, subject to any other provision of these regulations, he shall draw a line in ink through that space or column before the informant is called upon to certify the entry.
15. Where a person who is required under any provision of these regulations to sign his name in a register makes a mark or signs in characters other than those used in the English or Welsh languages, the registrar shall write against the mark or signature the words “The mark (or signature) of …”, inserting the name of the person.