(a) For purposes of this section, a person is disabled if the person has a mental or physical impairment that substantially limits the ability of the person to earn a living as an engineer or land surveyor, other than an impairment caused by a current addiction to the use of alcohol or an illegal drug or controlled substance.
(b) The board by rule may adopt reduced license fees and renewal fees for engineers and land surveyors who are:
(1) at least 65 years of age; or
(2) disabled and not actively engaged in the practice of engineering or land surveying.
(c) A person entitled to reduced fees under Subsection (b)(2) shall notify the board that the person has resumed the active practice of engineering or land surveying not later than the 15th day after the date the person resumes active practice.