# The Rate Relief (Lone Pensioner Allowance) Regulations (Northern Ireland) 2008, Paragraph 5

Extent: N.I.

(1) A person certified by a registered medical practitioner to be or to be likely to be severely mentally impaired.
(2) For the purposes of this paragraph a person is severely mentally impaired if he has a severe impairment of intelligence or social functioning (however caused) which appears to be permanent.

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Source: https://www.legislation.gov.uk/nisr/2008/124/schedule/paragraph/5 (the official version)
Page: https://openlegislation.uk/rate-relief-lone-pensioner-allowance-regulations-northern-ireland-2008/schedule/paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.