6.— (1) A person convicted of an offence under this Act is liable on summary conviction to a fine not exceeding €3,000 or imprisonment for a term not exceeding 6 months or both.

(2) Proceedings for an offence under this Act may be instituted at any time within one year after the date of the offence.

(3) Where a person is convicted of an offence under this Act the District Court shall, unless it is satisfied that there are special and substantial reasons for not so doing, order the person to pay the costs and expenses, measured by the Court, incurred in relation to the investigation, detection and prosecution of the offence.