(1) Subject to subsection (2), where a person convicted of a service offence by a service tribunal is already subject to a punishment that is suspended, the tribunal may revoke the suspension and, in that event, the punishment that was suspended shall, subject to subsections 172(1) and (2), take effect as if it had been imposed at the time of the revocation.
(2) A service tribunal shall not revoke the suspension of a punishment if the tribunal would not have had power to impose the punishment if it had convicted the person of the service offence for which the punishment was imposed.
(3) Where, by virtue of subsection (2), a service tribunal is not empowered to revoke a suspension that it considers should be revoked, the tribunal may recommend to a competent reviewing authority that the suspension be revoked by that authority.
(4) Where, under subsection (3), a service tribunal recommends to a competent reviewing authority that a suspension of a punishment be revoked, the authority may revoke the suspension and, in that event, the punishment that was suspended shall, subject to subsections 172(1) and (2), take effect as if it had been imposed at the time of the revocation.