21.3. A certificate referred to in section 21.1 must bear the signature of a person authorized to complete it on behalf of the police force in Québec, the contact information of that police force, an identification number and the date on which it is was produced. The certificate must contain the name, date of birth and address of the applicant and specify, with respect to the investigation provided for in section 31.2 of the Act, the nature of any indictment or conviction for a criminal or indictable offence that constitutes an impediment.