Intrinsic aids
Found in the Act itself and helps to make the meaning clear.
Marginal notes - some acts have marginal notes added by the person.
Long and short title of the act - The Abortion Act 1967 is “An Act to Amend or clarify the law relating to the termination of pregnancy by recognised medical practitioners”
Extrinsic aids
These are located outside of the Act.
Dictionaries - (R v Cheeseman) a dictionary was used to define “passenger”.
Explanatory Notes - all government Bills are accompanied by explanatory notes, which provide guidance to complex parts of the Bill