Recovery of amounts paid not in accordance with Act.

Any amount paid on account of rent after the date of the coming into operation of this Act shall, except in so far as payment thereof is in accordance with the provisions of this Act, be recoverable by the tenant from the landlord to whom it was paid or on whose behalf it was received or from his legal representative at anytime within a period of six months from the date of payment and may, without prejudice to any other remedy for recovery, be deducted by such tenant from any rent payable by him to such landlord.