# The Social Security (Contributions) Regulations 2001, Regulation 66: Notification of national insurance numbers to secondary contributors


Every employed earner, in respect of whom any person is liable to pay an earnings-related contribution, shall, on request, supply his national insurance number to that person.

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Source: https://www.legislation.gov.uk/uksi/2001/1004/regulation/66 (the official version)
Page: https://openlegislation.uk/social-security-contributions-regulations-2001/regulation-66
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.