A. Exempted from the gross receipts tax are the receipts from dues and registration fees of nonprofit social, fraternal, political, trade, labor or professional organizations and business leagues.
B. For the purposes of this section:
(1) "dues" means amounts that a member of an organization pays at recurring intervals to retain membership in an organization where such amounts are used for the general maintenance and upkeep of the organization; and
(2) "registration fees" means amounts paid by persons to attend a specific event sponsored by an organization to defray the cost of the event.