31 Tex. Admin. Code § 527.4
The State Board shall direct the Executive Director to contact the district director that is the subject of the hearing; the district that the district director is a member of; and any other party who may have brought allegations by Registered Mail, return receipt requested, informing the recipients of the charges or allegations being considered in the hearing and informing the recipients of the date, time and place of the hearing and informing them they may present any facts they feel relevant to the issue. Should the subject of the hearing not sign for receipt of registered mail, the State Board may consider the use of a local process server. The hearing notice shall be published and posted consistent with the requirements of § 201.004, Agriculture Code of Texas.
31 Tex. Admin. Code § 527.4