No act or omission of a hospital in developing or implementing the provisions of RCW 68.50.500, when performed in good faith, shall be a basis for the imposition of any liability upon the hospital.

     This section shall not apply to any act or omission of the hospital that constitutes gross negligence or wilful and wanton conduct.

[1987 c 331 § 72; 1986 c 129 § 2. Formerly RCW 68.08.660.]