6. Where, by an order made in the exercise of powers conferred by section 4, the Controller has directed a manufacturer to manufacture, or provide for the manufacture of, standard cloth and has fixed the price therefor, the manufacturer shall deliver the same at such time and place and in such manner as the Controller may specify from time to time, and the Controller shall pay or cause to be paid to the manufacturer the said price, together with the freight, if any, actually paid by the manufacturer.