Penalty points endorsed on the entry of a person shall, subject to section 3(2), remain on the entry for a period of 3 years beginning on the appropriate date, and the Minister shall -

(a) cause the penalty points to be removed from the entry at the end of that period, and

(b) cause a notice to be given or sent, by post or otherwise, to the person -

(i) of the ending of the period and its date, and

(ii) of the removal and particulars of the penalty points the subject of the removal.