Iowa Admin. Code r. 561-17.4
Unless accepted by an order of the department, every person acting as a principal or agent for another or independently engaged in the production, storage, transportation (except railroad), refining, reclaiming, treating, marketing, or processing of oil or gas, or engaged in the exploration for or production of metallic minerals, shall file with the department on a form prescribed by the department: the name under which the business is being operated or conducted; the name and post office address of the person, the business or businesses in which engaged; the plan of organization, and in case of a corporation, the law under which it is chartered; and the names and post office addresses of any persons acting as trustees together with the names of the manager, agent or executive thereof, and the names and post office addresses of officers thereof. In the event that business is conducted under an assumed name, the report shall show the names and post office addresses of all owners in addition to the other information required.
Immediately after any change occurs as to facts stated in the report filed, a supplementary report shall be filed with the department with respect to the change.
Iowa Admin. Code r. 561-17.4