In this chapter,
(1) “material transaction” means a transaction, other than a claim payment, involving more than one-half of one percent of the reciprocal insurer's admitted assets as of December 31 of the prior year;
(2) “reciprocal insurance” is that resulting from an interexchange among persons, known as “subscribers,” of reciprocal agreements of indemnity, the interexchange being effectuated through an “attorney-in-fact” common to all such persons;
(3) “reciprocal insurer” means an unincorporated aggregation of subscribers operating individually and collectively through an attorney-in-fact to provide reciprocal insurance among themselves.