The commissioner may adopt rules for the implementation and enforcement of this chapter. A copy of a rule adopted by the commissioner must be mailed to each licensee at least thirty days before the date the rule takes effect. To assure compliance with this chapter, the commissioner may examine the relevant business, books, and records of any licensee. The licensee shall pay an examination or visitation fee, and the commissioner shall charge the licensee for the actual cost of the examination or visitation at an hourly rate set by the commissioner which is sufficient to cover all reasonable expenses associated with the examination or visitation.