(a) The Texas Water Development Board shall require the districts in a management area to submit to the executive administrator not later than the 60th day after the date on which the districts adopted desired future conditions under Section 36.108(d-3):
(1) the desired future conditions adopted under Section 36.108;
(2) proof that notice was posted for the joint planning meeting; and
(3) the desired future conditions explanatory report.
(b) The executive administrator shall provide each district and regional water planning group located wholly or partly in the management area with the modeled available groundwater in the management area based upon the desired future conditions adopted by the districts.