(1) During the period of supervision the court may make an order that the suspended measure under section 63 or section 64 take effect for a duration not exceeding three months if there has been an acute deterioration of the state of the released person or a relapse into his addictive behaviour and if the measure is necessary in order to avoid a revocation under section 67g. Under the conditions of the 1st sentence above it may order the renewal of the measure or extend its duration; the maximum duration of the measure must not exceed a total of six months. Section 67g shall apply mutatis mutandis.

(2) The court shall vacate the measure before the expiry of the period set pursuant to subsection (1) above if its purpose has been achieved.