Regulation 5(5) of the Categories of Gaming Machine Regulations 2007 (S.I. 2007/2158) (“the 2007 Regulations”) defines a sub-category B2 gaming machine for the purposes of the Gambling Act 2005 (c. 19).
Link: The Gaming Machine (Miscellaneous Amendments and Revocation) Regulations 2018
Source: Legislation .gov.uk