supervision of weighing
(y) the term “supervision of weighing” means such supervision by official inspection personnel of the grain-weighing process as is determined by the Secretary to be adequate to reasonably assure the integrity and accuracy of the weighing and of certificates which set forth the weight of the grain and such physical inspection by such personnel of the premises at which the grain weighing is performed as will reasonably assure that all the grain intended to be weighed has been weighed and discharged into the elevator or conveyance; and