20.1. The commission is not required to examine the case of an inmate who, at the time fixed for a hearing under section 20, is unlawfully at large, stands accused, is serving a sentence under the Young Offenders Act (Revised Statutes of Canada, 1985, chapter Y-1) or is the subject of an immigration inquiry. If the inmate is unlawfully at large, however, the commission must examine the case as soon as possible after being informed of the inmate’s return to custody.