Pennsylvania Statutes Title 42 Pa.C.S.A. Judiciary and Judicial Procedure § 8546. Defense of official immunity

(1) Defenses which are available at common law to the employee.

(2) The defense that the conduct of the employee which gave rise to the claim was authorized or required by law, or that he in good faith reasonably believed the conduct was authorized or required by law.

(3) The defense that the act of the employee which gave rise to the claim was within the policymaking discretion granted to the employee by law. For purposes of this subsection, all acts of members of the governing body of a local agency or of the chief executive officer thereof are deemed to be within the policymaking discretion granted to such person by law.