(a) At least 45 days before the date of the hearing, the commission shall send notice of the hearing to the holder of the permit, certified filing, or certificate of adjudication being considered for cancellation in whole or in part. Notice shall be sent by certified mail, return receipt requested, to the last address shown by the records of the commission. The commission shall also send notice by regular mail to all other holders of permits, certified filings, certificates of adjudication, and claims of unadjudicated water rights filed pursuant to § 11.303 of this code in the same watershed.
(b) The commission shall also have the notice of the hearing published once a week for two consecutive weeks, at least 30 days before the date of the hearing, in a newspaper published in each county in which diversion of water from the source of supply was authorized or proposed to be made and in each county in which the water was authorized or proposed to be used, as shown by the records of the commission. If in any such county no newspaper is published, then the notice may be published in a newspaper having general circulation in the county.