# The Social Security (Contributions) Regulations 2001, Paragraph 3


Any voucher, stamp or similar document—
(a) whether used singularly or together with other such vouchers, stamps or documents; and
(b) which is capable of being exchanged for an asset falling within paragraph 1 or 2.

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Source: https://www.legislation.gov.uk/uksi/2001/1004/schedule/3/part/III/paragraph/3 (the official version)
Page: https://openlegislation.uk/social-security-contributions-regulations-2001/schedule-3/part-III/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.