It shall be unlawful for the developer to sell a lot or parcel within a development if the terms of the sale require that the purchaser pay any sum in addition to the purchase price for constructing, completing, or maintaining improvements to the development unless the sums are to be paid directly to:
(1) A governmental agency;
(2) A person who is not affiliated with the developer, in trust, and on terms acceptable to the director; or
(3) An association comprised solely of persons who have purchased lots in the development, or their assignees.
The terms which require the payment of any additional sum shall be set forth in the public offering statement.