7 USC 247 - Fair treatment in storage of agricultural products

(a) In general 
Subject to the capacity of a warehouse, a warehouse operator shall deal, in a fair and reasonable manner, with persons storing, or seeking to store, an agricultural product in the warehouse if the agricultural product
(1) is of the kind, type, and quality customarily stored or handled in the area in which the warehouse is located;
(2) is tendered to the warehouse operator in a suitable condition for warehousing; and
(3) is tendered in a manner that is consistent with the ordinary and usual course of business.

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(b) Allocation 
Nothing in this section prohibits a warehouse operator from entering into an agreement with a depositor of an agricultural product to allocate available storage space.