Texas Government Code - GOV'T § 813.102. Service Credit Previously Canceled

(a) A member who has withdrawn contributions and canceled service credit in a class of membership may, if eligible as provided by Section 813.403 or 813.504, reestablish the canceled service credit in the retirement system.

(b) A member may reestablish credit by depositing with the retirement system in a lump sum the amount withdrawn from a membership class, plus interest computed on the basis of the state fiscal year at an annual rate of 10 percent from the date of withdrawal to the date of redeposit.