Md. Code Ann., Lab. & Empl. § 8-222
Except employment for nonprofit organizations and governmental entities, employment is not covered employment if performed by a volunteer test subject who is paid on a per study basis for scientific, medical, or drug-related research.
Added by Acts 1995, c. 33, § 1, eff. Oct. 1, 1995. Amended by Acts 2017, c. 631, § 1, eff. Oct. 1, 2017.