(a) A person may offer to donate three-point seat belts or money for the purchase of three-point seat belts for a school district's school buses.
(b) The board of trustees of a school district shall consider any offer made by a person under Subsection (a). The board of trustees may accept or decline the offer after adequate consideration.
(c) The board of trustees may acknowledge a person who donates three-point seat belts or money for the purchase of three-point seat belts for a school bus under this section by displaying a small, discreet sign on the side or back of the bus recognizing the person who made the donation. The sign may not serve as an advertisement for the person who made the donation.