13.0.1. A person who receives social aid when he has been declared ineligible for allowances or benefits payable under an Act in force in Québec or elsewhere, for a reason that, under this Act, would allow the application of subparagraph a of section 12, or whose allowances or benefits so payable have been withheld to repay an overpayment or as a penalty, must repay such aid up to the amount of the allowances or benefits that have been denied to him.