A deposition taken on the preliminary or other investigation of an indictable offence--
(a) may be admitted as evidence on the trial of the accused person for any other offence, whether of the same or of a different kind, if it would be admissible on his or her trial for the offence in respect of which it was taken, and
(b) may be proved in the same manner as if the accused person were on trial for that offence.