66.—(1) This section applies to a reservist who is enlisted under section 55.

(2) A reservist to whom this section applies, with the consent of the Minister, may, if the term of his original enlistment is less than twelve years, extend, in accordance with regulations made by the Minister, the term of his original enlistment up to a period of twelve years or any shorter period.

(3) Where a reservist to whom this section applies extends the term of his original enlistment under this section, any subsequent reference in this Act to the term of his original enlistment shall be construed as a reference to the term of his original enlistment as so extended.