What is the mischief rule?
Applies where the act before the court reformed a previous piece of law.
Heydon Case 1584
Features
Give the effect of parliament intention.
Law commission states - “A rather more satisfactory approach”
Smith V Hughes
Street Offences Act 1959 - illegal to solicit on the street.
A prostitute was soliciting passers by from a window.
Guilty as she was still causing mischief of harassing members of public.
Royal College of Nursing V DHSS
Abortion Act 1967 - registered medical practitioners (doctors) should terminate pregnancy.
The mischief Parliament was trying to get rid of was illegal abortion.
Nurse can now legally perform abortions.