It is hereby declared to be in the public interest that cemeteries, as hereinafter in this act defined, advertising and/or selling "endowment care" or "perpetual care" cemetery lots, burial spaces, or interment facilities of any type or kind, be subject to regulation by the state of Idaho in order to insure the sound business practices essential to the continued furnishing of the endowment or perpetual care guaranteed. The provisions of this act shall be liberally construed to carry out this purpose.