Section 239: Indemnity for actions in aid to civil authority and military duty

No action, prosecution or other proceeding shall lie against a person subject to service law under this Act for an act done in pursuance or execution or intended execution of this Act or any regulation, service duty or authority or in respect of an alleged neglect or default in the execution of this Act, regulation, duty or authority, if it is done in aid to civil authority or in execution of military rules.