Maryland Code, Agriculture § 4-310

(a) During the usual business hours, the Secretary may enter any warehouse, store, building, market, food service facility, production facility, packing facility, or any other place, carrier, conveyance, or vehicle where or from where shell eggs are produced, distributed, packed, donated, sold, or offered or exposed for sale, to enforce this subtitle.

(b) The Secretary may examine, test, or sample any shell egg, layer house, pen, cooler, packing facility, washing facility, or any other place or item to determine whether the environment of the facility where shell eggs are produced, packed, or held is in compliance with this subtitle.