14.— (1) A prisoner—

(a) who is found by a governor to have committed a breach of prison discipline, and

(b) on whom a sanction under section 13 has been imposed,

may, within 7 days of its imposition, send to the governor, for transmission to the Minister, a petition concerning the finding or sanction or both finding and sanction.

(2) On such a petition the Minister may, after consulting the governor, affirm, modify, suspend (subject to any specified terms or conditions) or revoke the sanction and cause the petitioner to be notified accordingly.