(1) Section 480A of the Principal Act is amended-

(a) by substituting the following for subsections (1) to (4):

"(1) In this section -

'basis period', in relation to a year of assessment, means the period on the profits or gains of which income tax for the year of assessment is to be finally computed under the Income Tax Acts;

'EEA Agreement' means the Agreement on the European Economic Area signed at Oporto on 2 May 1992, as adjusted by all subsequent amendments to that Agreement;

'EEA state' means a state, other than the State, which is a contracting party to the EEA Agreement;

'EFTA state' means a state, other than an EEA state, which is a member of the European Free Trade Association;

'relevant individual' means an individual who -

(a) engaged in a specified occupation or carried on a specified profession,

(b) complied with the Income Tax Acts, and

(c) is resident in the State, an EEA state or an EFTA state in the retirement year;

'relevant period' means the retirement year and the 14 years of assessment immediately preceding the retirement year;

'relevant years' means the years of assessment as specified by the relevant individual, not exceeding 10 years of assessment, in the relevant period;