Tex. Gov't Code Section 853.107
Void Prior Service Certificate

853.001
Types of Creditable Service 853.002
Benefit Eligibility Based on Credited Service 853.003
Buy Back of Credited Service Previously Canceled 853.004
Rules for Creditable Service 853.0015
Excluded Prior Service Credit 853.101
Creditable Prior Service 853.102
Eligibility for Prior Service 853.103
Statement of Prior Service 853.104
Certification of Service and Average Compensation 853.105
Determination of Prior Service Credit 853.106
Prior Service Certificate 853.107
Void Prior Service Certificate 853.201
Creditable Current Service 853.301
Service for Certain Public Facilities 853.302
Service for Elected Officers 853.303
Prior Service Credit for Service for Nonparticipating Department 853.304
Prior Service Credit for Probationary Employment 853.305
Credit for Service with Nonparticipating Municipality, Airport Authority, or Council of Governments, or Certain Service Previously Canceled 853.401
Ordinance Authorizing Updated Service Credits 853.402
Determination of Updated Service Credits 853.403
Approval of Ordinance 853.404
Allowance of Updated Service Credit and Annuity Increases 853.501
Military Service by Member 853.502
Other Military Service Credit 853.503
Conditions for Receiving Military Service Credit 853.504
Establishment of Military Service Credit 853.505
Use of Military Service Credit 853.506
Current Service for Reemployed Veterans 853.601
Ordinance Authorizing Updated Service Credit for Transferred Service