If when any poppy-heads shall be weighed under the provision of order 28 or in the course of inspection made under the provisions of orders 31 and 32, a deficiency between the quantity specified in the pass and the actual quantity contained in any parcel or package to which the pass relates is found to exist, such allowance on account of dryage shall be made in reduction of that deficiency as may from time to time be prescribed by the Excise Commissioner in that behalf.
