15.—(1) Any process, record or other document in the custody, by virtue of his office as such, of the clerk to the justices for an existing petty sessions area shall be retained by that clerk in his capacity as clerk to the justices for the respective new petty sessions area or, if he does not hold that clerkship, be transferred to the custody of the clerk to the justices for the respective new petty sessions area.
(2) Copies of, and extracts from, any such record or other document as aforesaid made or certified by the clerk to the justices for the respective new petty sessions area shall be of the same effect as if they had been made or certified by the clerk to the justices for the existing petty sessions area.