Acts of Parliaments should be treated the same whether found in print or online.
The year of an Act of Parliament is considered part of the title, so is used without brackets and without a comma.
Format: in text citation
It is illegal to facilitate the travel of a person for the purpose of exploitation (Title of Act Year).
Title of Act Year states that local authorities have a general duty in relation to children in need.
Format: reference
Title of Act Year Place of publication: Publisher.
Example: in text citation
It is illegal to facilitate the travel of a person for the purpose of exploitation (Modern Slavery Act 2015).
The Children Act 1989 states that local authorities have a general duty in relation to children in need.
Example: reference
Modern Slavery Act 2015 London: TSO.
Children Act 1989 London: HMSO.
Note: Prior to 1996, The Stationery Office (TSO) was known as Her Majesty’s Stationery Office (HMSO).