The Secretary of State may at any time if he thinks fit release on licence a person serving a term of imprisonment for life subject to compliance with such conditions, if any, as the Secretary of State may from time to time determine.

The Secretary of State may at any time by order recall to prison a person released on licence under this section, but without prejudice to the power of the Secretary of State to release him on licence again ; and where any person is so recalled his licence shall cease to have effect and he shall, if at large, be deemed to be unlawfully at large.