It remains in force with many of its provisions amended by subsequent Criminal Justice Acts.

The Conservative MP John Greenway attempted to have the Act amended during its passage to introduce the death penalty for the murder of a police officer.

[3] The Scheme is currently regulated by the Criminal Justice Act 2003 and was modified in 2008 by Statutory Instrument to reduce the qualifying period before a prisoner could be released for deportation.

[4][5]: 259–261 Section 18 made provision for fines to be imposed using a mathematical formula that took into account the seriousness of the crime and the offenders ability to pay.

Eventually, Kenneth Clarke introduced the Criminal Justice Act 1993 to remove the system of unit fines.