The Act repeals the provisions in the Serious Organised Crime and Police Act 2005 which prohibit protests near Parliament Square, and instead restricts certain "prohibited activities" in Parliament Square garden and the adjoining footways.

The police have used these powers to confiscate pizza boxes, tarpaulin and umbrellas from protesters in Parliament Square.

[1] The Act removed the statutory requirement for the Advisory Council on the Misuse of Drugs to include scientists.

[2] Section 153 of the Act amends section 1 of Magistrates' Courts Act 1980 so that an arrest warrant for an offence of universal jurisdiction cannot be issued without the consent of the Director of Public Prosecutions, unless applied for by a Crown Prosecutor.

In 2021, the government published their proposed Police, Crime, Sentencing and Courts Bill which would amend the Police Reform and Social Responsibility Act, in relation to behaviour around and access to the Parliamentary estate.