cause indexes of all entries in the marriage register made under section 53D(10)(a) in respect of their registration district to be made and kept in their office, and

keep in their office indexes of the marriage register books kept in their office.

to search the indexes of the entries in the marriage register and the indexes of the marriage register books kept at the office of a superintendent registrar at all reasonable hours, and

to obtain a certified copy under the hand of the superintendent registrar of an entry made in the marriage register under section 53D(10)(a) or of an entry made in a marriage register book.