A nongovernmental group or organization, including all school support organizations, may not:
(1) Use the school's or school district's sales tax exemption to purchase items;
(2) Represent or imply that its activities, contracts, purchases, or financial commitments are made on behalf of or binding upon any school or school district;
(3) Use school support organization funds for a purpose other than purposes related to the goals and objectives of the school support organization that relate to supporting a school district, school, school club or school academic, arts, athletic or social activity; or
(4) Maintain or operate a bank account that bears the employer identification number of a school board, school, or any other school related governmental entity. From July 1, 2007, any funds deposited into the bank account shall be presumed to be a donation to the entity whose employer identification number is used and shall be treated as student activity funds.