7. Any process, records or other document in relation to any matter arising in or concerning the transferred area in the custody, by virtue of his office as such, of the clerk to the justices for the transferor area shall—
(a)if such clerk is the clerk to the justices for the transferee area, be retained by him in that capacity;
(b)otherwise, be transferred by him to the clerk to the justices for the transferee area.
Copies of or extracts from any such record or document made or certified by the clerk to the justices for the transferee area shall be of the same effect as if they had been made or certified by the clerk to the justices for the transferor area.