The provisions of sections 436.400 to 436.520 shall not apply to any contract or other arrangement sold by a cemetery operator for which payments received by or on behalf of the purchaser are required to be placed in an endowed care fund or for which a deposit into a segregated account is required under chapter 214; provided that a cemetery operator shall comply with sections 436.400 to 436.520 if the contract or arrangement sold by the operator includes services that may only be provided by a licensed funeral director or embalmer.