18.— Section 64 of the Principal Act is amended—

(a) in subsection (1), by substituting the following for paragraph (a):

“(a) in the case of an offence under section 44E, 44G, 44U or 50, by the Minister or the Agency, and”,

and

(b) by inserting the following after subsection (2):

“(3) Unless it is satisfied that there are special and substantial reasons for not so doing, the court shall, where a person is convicted of an offence under this Act, order the person to pay to the Agency the costs and expenses, measured by the court, incurred by the Agency in relation to the investigation, detection or prosecution of the offence.”.