# The Social Security (Contributions) (Amendment No. 4) Regulations 2011, Regulation 1: Citation, commencement and effect


(1) These Regulations may be cited as the Social Security (Contributions) (Amendment No. 4) Regulations 2011 and come into force on 6th April 2011.
(2) Regulation 4 shall have effect for employees who joined a scheme before 6th April 2011.
(3) Regulation 5 shall have effect for employees who join a scheme on or after 6th April 2011.

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Source: https://www.legislation.gov.uk/uksi/2011/1000/regulation/1 (the official version)
Page: https://openlegislation.uk/social-security-contributions-amendment-no-4-regulations-2011/regulation-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.