¹[13B. Duty of buyers of virginia tobacco at places other than auction platforms to refrain from certain unfair practices.-- Every dealer who purchases virginia tobacco in any State in which the provisions of section 13 are not in force,--
         (a) shall pay the full price for the whole quantity of virginia tobacco so purchased by him at the rate at which he agreed to purchase such tobacco and shall refrain from claiming any discount in the weight or other deductions in weight thereof or any deductions from the price as calculated in accordance with such rate;
         (b) shall pay the full price for virginia tobacco so purchased by him as calculated in accordance with the provisions of clause (a) as expeditiously as possible and in any case within such reasonable time as may be specified in this behalf by the Board; and
         (c) shall refrain from having recourse to any practices which the Board may, having regard to the need for protection of persons selling virginia tobacco in such State and all other relevant considerations, specify to be unfair practices.]