645.This section allows the Secretary of State to make regulations (subject to the negative resolution procedure) requiring those who are responsible for an offender while he is being detained in any of the ways mentioned in subsection (1) to notify other relevant authorities of the fact that they have become so responsible, of his release or transfer to another institution. The regulations may specify the person responsible for the offender (for example, the Chief Executive of a hospital) and the person who must be notified. An example might be the governor of a prison being required to inform the local chief officer of police when a relevant offender is about to be released from his prison.