A person shall not engage in the practice of engineering or land surveying in the state unless the person is a licensed professional engineer or a licensed professional land surveyor as provided in this chapter , except as permitted by section 542B.26 . [C24, 27, 31, 35, 39, § 1854; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §114.1 ] C93, §542B.1 95 Acts, ch 65, §1 ; 96 Acts, ch 1055, §4 ; 2012 Acts, ch 1009, §10