§ RPA 1983 s. 112(untitled)

112 Where a person knowingly provides money— a for any payment which is contrary to the provisions of this Act, or b for any expenses incurred in excess of the maximum amount allowed by this Act, or c for replacing any money expended in any such payment or expenses, except where the payment or the incurring of the expenses may have been previously allowed in pursuance of section 167 below to be an exception, that person shall be guilty of an illegal payment.