(1) In the performance of its duties, the department shall have free access during all reasonable hours to any store, warehouse, factory, petroleum terminal, storage house, or railway depot, where petroleum fuels are kept or otherwise stored, for the purpose of:
(a) Examination or inspection of petroleum measuring devices.
(b) Examination, inspection, and collection of samples of petroleum fuel.
(c) Examination or inspection of records and documents pertaining to distribution and sales of petroleum products.
(2) If access to the premises is refused by the owner, agent, or manufacturer, the department may apply for an inspection warrant as provided for in chapter 933, which shall be obtained in the same manner as provided for obtaining inspection warrants in other cases.
(3) The refusal to admit the department to any of the above-mentioned premises during reasonable hours shall be construed as prima facie evidence of a violation of this chapter.