1. A grain buyer may not discriminate:
a. In the buying, selling, receiving, and handling of grain or in the charges made or the service rendered to owners of purchased grain;
b. In the receiving of grain offered for sale, but this chapter does not require a processor to receive or purchase any lot or kinds of grain;
c. In regard to the persons offering grain for sale; or d. Between points or stations except as the marketing factors or transportation costs or grain quality premiums may warrant.
2. A grain buyer is not required to receive any grain that is heating or otherwise out of condition.