Michigan Compiled Laws, Chapter 331. Hospitals § 331.1505

Sec. 505. (1) This act grants cumulative authority for the exercise of the various powers conferred in this act, and neither the powers nor any notes or corporation obligations issued under this act shall be affected or limited by any other statutory provision now or hereafter in force, other than as may be provided in this act, it being the purpose and intention of this act to create full, separate, and complete additional powers.

(2) The enumeration in this act of powers of county public hospitals and corporations and subsidiary corporations and their respective boards of trustees and subsidiary boards does not mean that those powers were not reasonably inferable or otherwise authorized under Act No. 350 of the Public Acts of 1913,  1 or Act No. 109 of the Public Acts of 1945,  2 or that powers not enumerated in this act may not be exercised, so long as such exercise is consistent with the purposes of this act, and not specifically prohibited by law.

(3) The enumeration in this act of powers of city public hospitals and village public hospitals and corporations and subsidiary corporations and their respective boards of trustees and subsidiary boards does not mean that those powers were not reasonably inferable or authorized under other state law or under city or village ordinance or charter, or that powers not enumerated in this act may not be exercised, so long as such exercise is consistent with the purposes of this act, and not specifically prohibited by law.