(a) Not later than the 30th day before the date of the hearing, the district shall provide notice of the hearing by certified mail, return receipt requested, to each facility owner:
(1) at the current address of each facility according to the appraisal record maintained by the appraisal district for that facility under Section 25.02, Tax Code; or
(2) if the appraisal records do not accurately reflect that address or do not show the physical location of a particular facility, at the facility's physical location as reflected by any other information available.
(b) The notice must include:
(1) the time and place of the hearing;
(2) the general nature of the proposed security project or security service;
(3) the estimated cost of the security project or security service; and
(4) the proposed method of assessment.