As used in Sections 2357.301 through 2357.304 of this title:
Provided, the definition shall not be interpreted to exclude any person who was employed in the aerospace sector, but not as a fulltime engineer, prior to being awarded an undergraduate or graduate degree from a qualified program by an institution or any person who has been awarded an undergraduate or graduate degree from a qualified program by an institution and is employed by a professional staffing company and assigned to work in the aerospace sector in this state.
Beginning on or after January 1, 2024, the definition shall also not be interpreted to exclude any person (1) who previously qualified and established the credit against the tax imposed pursuant to Section 2355 of this title and becomes employed by a different qualified employer, or (2) who establishes the credit against the tax imposed pursuant to Section 2355 of this title for the first time and becomes employed by a different qualified employer in subsequent years, provided a person in either case has not claimed the credit for the lifetime maximum of five (5) years;
Okla. Stat. tit. 68, § 2357.301