Complaint filing and verification requirements govern aggrieved employee claims under industrial relations rules. An aggrieved employee's complaint under section 91 of the Code must be filed in Form-XVI electronically or by speed post, with copies for each opposite party named in the complaint. The complaint must be verified by the aggrieved employee or the authorised representative, to the satisfaction of the conciliation officer, arbitrator, Tribunal or National Industrial Tribunal acquainted with the facts of the case.