when a name is given to it, the parent or guardian of such child, or other person procuring such name to be altered, or given, may, within twelve months next after the registration of the birth, deliver to the registrar or superintendent registrar such certificate as herein-after mentioned, and the registrar or superintendent registrar, upon the receipt of that certificate, and on payment of the appointed fee, shall, without any erasure of the original entry, forthwith enter in the register book the name mentioned in the certificate as having been given to the child, and having stated upon the certificate the fact of such entry having been made, shall forthwith send the certificate to the Registrar General, together with a certified copy of the entry of the birth with the name so added.
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