Oregon Revised Statutes Agricultural Marketing and Warehousing § 586.380

(1) It is unlawful to issue negotiable or nonnegotiable grain warehouse receipts other than those furnished by the State Department of Agriculture and such receipts shall be issued consecutively as numbered and dated with the true and correct date on which each receipt is actually issued. It is unlawful to print or have in possession for the purpose of issuance under ORS 586.210 to 586.730, any negotiable or nonnegotiable grain warehouse receipt blanks intended for use under the provisions of those sections other than those authorized to be printed or other than those furnished by the department.

(2) Nothing in ORS 586.210 to 586.730 shall be construed to prevent the issuance of nonnegotiable load slips or other nonnegotiable evidence of similar nature showing when and what quantities of grain were received or the condition thereof upon delivery.

(3) Warehouses operated under the United States Warehouse Act,  1 are exempted from the use of receipts furnished by the department.