(1) Every certifying officer and the appellate authority referred to in section 32 shall have all the powers of a civil court for the purposes of receiving evidence, administering oath, enforcing the attendance of witnesses, and compelling the discovery and production of documents, and shall be deemed to be a civil court within the meaning of sections 345 and 346 of the Code of Criminal Procedure, 1973.

(2) Clerical or arithmetical mistakes in any order passed by a certifying officer, or errors arising therein from any accidental slip or omission may, at any time, be corrected by that officer or successor in office of such officer.