The department, the foundation, or a designated representative of either entity may enter cotton fields or other premises to carry out the purposes of this subchapter and Subchapters A and B of this chapter, which include the treatment and monitoring of growing cotton or other host plants. The department, the foundation, or a designated representative of either entity may inspect fields or premises in this state for the purpose of determining whether the property is infested with the boll weevil or the pink bollworm. An inspection must be conducted during reasonable daylight hours. The department shall give notice by publication of the planned schedule of dates for entry by the department, the foundation, or a designated representative of either entity, to the fields or premises to carry out the purposes of this subchapter, including treatment, monitoring, or inspection functions. The department shall publish notice of the planned schedule to enter the fields or premises in a newspaper of general circulation in the eradication zone not less than once a week for two weeks immediately before the scheduled dates of entry. In addition to the notice published by the department, the foundation shall post notice of the planned schedule to enter fields or premises to carry out the purposes of this subchapter at the county courthouse of each county in the eradication zone not less than 15 days before the planned dates of entry.