Trans 112.13(2)(2) The department may require information on functional ability including, but not limited to, the following: Trans 112.13(3)(a)(a) Licensing standards. No license or endorsement may be issued to, renewed by, or held by a person who does not meet the medical review standards for conditions affecting respiratory function of this subsection. Trans 112.13(3)(b)(b) Medical standards for school bus and passenger endorsements. A person who applies for, renews, or holds school bus or passenger endorsement shall meet all of the following respiratory function criteria: Trans 112.13(3)(b)2.2. Values obtained from pulmonary function tests for forced vital capacity and forced expiratory volume in one second are not less than 65% of normal values. Trans 112.13(3)(b)5.5. There is no diagnosis of sleep apnea unless the physician or APNP indicates treatment has been successful and the condition will not impair ability to safely operate a commercial vehicle. Trans 112.13(3)(c)(c) Medical standards for all classes of operators licenses. A person who applies for, renews, or holds any classification of operator’s license shall meet all of the following respiratory function criteria: