(1) In this section -
"appropriate percentage", in relation to a year of assessment, means a percentage equal to the standard rate of tax for that year;
"authorised insurer" means -
(a) any undertaking entered in the Register of Health Benefits Undertakings, lawfully carrying on such business of medical insurance referred to in paragraph (a) of the definition of 'relevant contract' but, in relation to an individual, also means any undertaking authorised pursuant to Council Directive No. 73/239/EEC of 24 July 1973 [OJ No. L228, 16.8.1973, p.3], Council Directive No. 88/357/EEC of 22 June 1988 [OJ No. L172, 4.7.1988, p.1], and Council Directive No. 92/49/EEC of 18 June 1992 or authorised to carry on such business by the authority in the United Kingdom charged by law with the duty of supervising the activities of undertakings so authorised, where such a contract was effected with the individual when the individual was not resident in the State but was resident in another Member State of t
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