Texas Government Code - GOV'T § 824.002. Effective Date of Retirement

(a) The effective date of a member's service retirement is the last day of the later of the following months:

(b) The effective date of a member's disability retirement is the last day of the later of the following months:

(c) For the purposes of this section, a member's employment in a position covered by the retirement system does not end if the member is on leave of absence or has a contract for future employment in a public school, other than a contract for employment that would, if the retiring member and the employer were to comply with all procedural requirements, qualify under Section 824.602 for an exception to the loss of monthly benefits required by Section 824.601.

(d) A person who works not later than June 15 of a year in order to complete all work required for the school year may be considered to have ended employment on May 31 of that year for the purposes of Subsections (a)(3) and (b)(2).

(e) Except as provided by Section 823.403(d), if applicable, not later than two months after the later of a member's retirement date or the last day of the month in which the member's application for retirement is submitted, and before the later of the due date for the first monthly annuity payment or the date on which the retirement system issues the first monthly annuity payment, a member applying for service retirement may, after providing notice to the retirement system, reinstate withdrawn contributions, make deposits for military service and equivalent membership service, and receive service credit as provided by this subtitle.

(f) An effective retirement date may not be changed after it is established except by revocation of retirement under Section 824.005.