§ 312. Exclusiveness of remedy. Compensation as provided in this
article shall be the exclusive remedy of a civil defense volunteer or
his or her spouse, dependents, executor or administrator, for injury,
disease or death arising in the course of civil defense volunteer
service, as against the state or any political subdivision of the state
or civil defense agency or any person or other agency acting under
governmental authoritiy in furtherance of civil defense activities, with
or without negligence, except only as otherwise provided by law. A
member of a civil defense agency of the federal government or of another
state or of the Dominion of Canada or a province thereof, who may
perform services within this state, whether pursuant to a mutual aid
compact or otherwise, shall not be entitled to compensation under the
provisions of this article.