(1) Nothing in this Part or Part II shall make unlawful the application of any provision (whether in the nature of a requirement, practice or otherwise) such as is mentioned in subsection (2) with respect to -
(a) holding office under, or in the service of, the State (including the Garda Síochána and the Defence Forces) or otherwise as a civil servant, within the meaning of the Civil Service Regulation Act, 1956, or
(b) officers or servants of a local authority, for the purposes of the Local Government Act, 1941, a harbour authority or a health board or a member of staff of an education and training board.
(2) The provisions referred to in subsection (1) are those relating to all or any of the following:
(a) residence;
(b) citizenship;
(c) proficiency in the Irish language.
(3) Nothing in this Part or Part II shall make unlawful the application of any provision (whether in the nature of a requirement, practice or otherwise) in relation to proficiency in the Irish language with respec
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