285.Section 145 sets out the steps that the responsible medical officer must take and the matters that the officer needs to consider if, when carrying out a first review or a further review of a compulsion order, the officer is satisfied that the conditions in section 139(4) continue to be met and the compulsion order continues to be necessary. In particular, subsection (2) requires the responsible medical officer to comply with the requirements of subsection (3), which include a requirement to consider whether the measures authorised by the compulsion order should be varied.