Services (Charges Control). [Ch. 30. No. 18. such direction relates for a particular sum, and the person charged has been found guilty, then- (a) if the prosecution was in respect of the per- formance of, or an agreement to perform, a service, the person for whom the service was performed or with whom the agreement was made; and (b) whether the prosecution was in respect of the performance of a service or an agreement or offer to perform a service, any person for whom a similar service was performed, or any person with whom an agreement was made to perform a similar service, for the same or a higher charge in the course of that business in contravention of subsection (1) of the last foregoing section of this Ordinance before the date of the finding; shall have the following rights, exercisable, subject as hereinafter provided at his option. (3) In the case of an agreement to perform a service no part of which has been performed, he shall have the right to treat the agreement as avoided, and to recover from the person who agreed to perform the service, as money received by that person for his use, any amount paid by him as consideration therefor: Provided that he shall not be entitled to exercise the right conferred by this subsection if any rights acquired by a third party would be prejudiced by his so doing, or after the lapse of an unreasonable time from the date of the agreement. (4) He shall in any case have the right to affirm the performance of the service or the agreement to perform it, but to recover as aforesaid to the extent of any loss sustained by him by reason of the contravention. (5) Any sum recoverable by virtue of this section shall be recoverable with interest thereon at the rate of six per cent. per annum from the date when it was paid. (6) The rights conferred by this section shall not be exercisable by a person who is himself liable to punish- ment by reason of his having aided, abetted, counselled or procured the contravention in question. 5. The illegality by virtue of this Ordinance of any transaction shall not prejudice any rights acquired by any person other than a person who is guilty of a contra- 317 Saving for rights of innocent parties.