(a) This section applies only to an employee who:
(1) is a member of a municipal retirement system described by § 803.0021(1);
(2) is employed by a hospital district, a charitable organization supervised, overseen, and effectively controlled by the hospital district, or an administrative agency created under § 791.013, either before or after being employed by the employing municipality located in the same county as the hospital district, charitable organization, or administrative agency; and
(3) participates in a public retirement system:
(A) that is determined to be a qualified plan under Section 401(a), Internal Revenue Code of 1986 (26 U.S.C. § 401(a)), of a hospital district, charitable organization, or administrative agency that is determined to be a governmental unit, or an agency or an instrumentality of a governmental unit; and
(B) that records and reports service credit as defined by § 803.001.
(b) Any service credit earned by an employee described by Subsection (a) with a retirement system established by the hospital district, charitable organization, or administrative agency will be combined under § 803.201 to determine whether the employee meets the length-of-service requirements for service retirement under the municipal retirement system.
(c) On retirement, an employee described by Subsection (a) will receive a benefit from the municipal retirement system as determined by Subchapter D, and if the hospital district or administrative agency has established or participates in a retirement program or the charitable organization has a retirement plan, will receive a benefit from the hospital district, administrative agency, or charitable organization as determined by the terms of the district’s, agency’s, or organization’s retirement plan.
(d) For purposes of this section, a charitable organization supervised, overseen, and effectively controlled by a hospital district or an administrative agency created under § 791.013 is an agency or instrumentality of a governmental unit.