(1) The Principal Registrar and each district registrar are to maintain (a) . . . . . . . .(b) indexes of files and bundles of documents filed; and(c) a register of the documents filed and steps taken in every proceeding, showing the dates of filing and of the taking of each step in chronological order.(2) An index or a register (a) is to be maintained in a form which enables convenient reference; and(b) may be maintained in computerised form.(3) An index or register referred to in subrule (1) is to be accessible to the public during office hours on payment of the prescribed fee.(4) . . . . . . . .