Respondent, as the designated broker, is charged with engaging in a practice that is harmful or detrimental to the public by holding his real estate brokerage firm out as being engaged in the business of selling real estate and/or practicing real estate while the real estate firm license was inactive, lapsed, or expired in violation of Iowa Code sections 543B.1, 543B.2, 543B.29(1)(d), 543B.34(1) (2017). See 193E Iowa Administrative Code sections 3.3(2), 7.2(1), 18.2(5), 18.14(5)(s).