Sec. 21. 22 MRSA §2013-A, sub-§1, as amended by PL 1993, c. 600, Pt. B, §§2 to 4, is further amended to read:

1. Exemptions. Subject to the limitations set forth in subsection subsections 2 and 3, the following entities are exempted from the provisions of this Act under the following circumstances:

A. Medical laboratories operated by the United States Government, the State or municipalities of the State;

B. Laboratory facilities and laboratory services operated in a hospital licensed by the State;

C. Physicians and medical staff pursuant to this paragraph:

(1) Physicians, physician assistants, family nurse practitioners, Medicare-certified rural health clinics, professional associations or group practices performing only tests acceptable to the department, as defined by rule, exclusively for the examination of their own patients; and

(2) Physicians, physician assistants, family nurse practitioners, Medicare-certified rural health clinics, professional associations or group practices performing tests, other than those listed in subparagraph (1), exclusively for the examination of their own patients are subject only to sections 2024, 2025 and 2039.

Notwithstanding subparagraphs (1) and (2), laboratories incorporated for the mutual use of physician or group practice owners shall be are subject to all provisions of this Act;

D. Medical laboratories in a school, college, university or industrial plant which that are under the direct supervision of, and which whose services are used exclusively by, a duly licensed physician and which that perform only tests acceptable to the department; otherwise, only sections 2024, 2025 and 2039 apply;