A district may impose an assessment only if:
(1) a written petition has been filed with the board that:
(A) requests the assessment;
(B) states the specific purpose of the assessment; and
(C) is signed by each owner of the real property to be assessed or, for an assessment on an agricultural product, by each owner of real property on which the agricultural product subject to the assessment may be produced;
(2) two-thirds of the members of the board vote to impose the assessment;
(3) the board provides notice of a hearing on the proposal under Section 60.129; and
(4) the board holds a hearing on the advisability of the assessment under Section 60.130.