Every device in Nebraska used to ascertain the moisture content or test weight of grain in connection with, or in any manner relating to, the storage, purchase or sale of grain, will be used in a location where the test being made may be observed by the producer or owner of the grain being tested and the detailed procedure for running moisture tests will be displayed in a conspicuous place close to the moisture device.
291 Neb. Admin. Code, ch. 8, § 004