Oregon Revised Statutes Agriculture § 570.135

The officers, employees, deputies and inspectors of the State Department of Agriculture and the county horticultural inspectors and their deputies may enter at any time into any car, warehouse, depot, or upon any ship within the boundaries of this state, whether in the stream or at the dock, wharf, mole or any other place where nursery stock, fruit, vegetables, seed, field crops or other articles are received, or in which any articles are imported into the state, for the purpose of making the investigation or examination to ascertain whether the articles are infested with any injurious insects or other plant pests or the eggs, larvae or pupae of injurious insects or other plant pests.