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.