The following words and terms when used in this subchapter or in connection with the administration of Chapter 1579, Insurance Code, shall have the following meanings unless the context clearly indicates otherwise:     
       (1) Dependent--Only those individuals described by §1579.004, Insurance Code, and an individual under 26 years of age ("child") who is described by any one of the following subparagraphs (A), (B), or (C) at all times during which the child is receiving coverage under TRS-ActiveCare.                (A) A child under the legal guardianship of a full-time or part-time employee;                 (B) A full-time or part-time employee's grandchild whose primary residence is the household of that full-time or part-time employee if the grandchild is a dependent of the full-time or part-time employee for federal income tax purposes for the reporting year in which coverage of the grandchild is in effect; or                 (C) A child in a regular parent-child relationship with a full-time or part-time employee, meaning that the child's primary residence is the household of that full-time or part-time employee, the full-time or part-time employee provides at least 50% of the child's support, neither of the child's natural parents reside in that household, and the full-time or part-time employee has the legal right to make decisions regarding the child's medical care.                 (D) For clarification and without intending to identify all persons who are not a Dependent for purposes of coverage, even though the individual may be in a dependent relationship with a full-time or part-time employee, the following are not included in the definition of Dependent in this section:                    (i) Other than the spouse of a full-time or part-time employee, a Dependent does not include an individual who is a "participating member" as defined in paragraph (5) of this section.                     (ii) A Dependent does not include a parent or grandparent of a full-time or part-time employee.                     (iii) A Dependent does not include a brother or a sister of a full-time or part-time employee unless the brother or sister is an unmarried individual under 26 years of age who is either:                        (I) under the legal guardianship of a full-time or part-time employee; or                         (II) in a regular parent-child relationship with a full-time or part-time employee, meaning that the brother or sister's primary residence is the household of that full-time or part-time employee, the full-time or part-time employee provides at least 50% of the brother or sister's support, neither of the brother or sister's natural parents reside in that household, and the full-time or part-time employee has the legal right to make decisions regarding the brother or sister's medical care.            
       (2) Full-time employee--A participating member who:                (A) is currently employed by a participating entity;                 (B) is employed in a position that is eligible for membership in the Teacher Retirement System of Texas; and                 (C) is not receiving coverage as an employee or retiree from a uniform group insurance or health benefits program under the Texas Employees Group Benefits Act (Chapter 1551, Insurance Code), or the State University Employees Uniform Insurance Benefits Act (Chapter 1601, Insurance Code) or the Texas Public School Retired Employees Group Benefits Act (Chapter 1575, Insurance Code, also known as TRS-Care). Notwithstanding this paragraph, an individual who is eligible to Medicare, and meets the criteria in subparagraphs (A) and (B) of this paragraph will be considered a full-time employee.        
       (3) HMO--A health maintenance organization holding a valid certificate of authority issued by the Texas Department of Insurance and approved by TRS to provide health care benefits to eligible full-time and part-time employees and their eligible dependents.      
       (4) Participating entity--An entity participating in TRS-ActiveCare including a school district; another educational district whose employees are members of the retirement system; a regional education service center; and a charter school that meets the requirements of Chapter 1579, Insurance Code. An entity is considered to be participating in TRS-ActiveCare on and after the first date coverage becomes effective for its employees.      
       (5) Participating member--A person defined by §822.001 and §822.002, Government Code, whose membership in the retirement system has not been terminated as described by §§822.003 - 822.006, Government Code, and who is required to contribute to the Teacher Retirement System of Texas pension trust fund in accordance with §825.403, Government Code.      
       (6) Part-time employee--An individual who:                (A) is currently employed by a participating entity for 10 hours or more each week;                 (B) is employed in a position that is not eligible for membership in the Teacher Retirement System of Texas or is not eligible for membership in the Teacher Retirement System of Texas because of a service or disability retirement; and                 (C) is not receiving coverage as an employee or retiree from a uniform group insurance or health benefits program under the Texas Employees Group Benefits Act (Chapter 1551, Insurance Code) or the State University Employees Uniform Insurance Benefits Act (Chapter 1601, Insurance Code) or the Texas Public School Retired Employees Group Benefits Act (Chapter 1575, Insurance Code, also known as TRS-Care). Notwithstanding this paragraph, an individual who is eligible to Medicare, and meets the criteria in subparagraphs (A) and (B) of this paragraph will be considered a part-time employee.        
       (7) Plan year--A plan year begins on the first day of September and ends on the last day of the following August.      
       (8) TRS-ActiveCare--The health benefits program under the Texas School Employees Uniform Group Health Coverage Act, Chapter 1579, Insurance Code.      
       (9) Trustee or TRS--The Teacher Retirement System of Texas acting in its capacity as trustee under Chapter 1579, Insurance Code.      
     Source Note:        The provisions of this §41.33 adopted to be effective August 26, 2002, 27 TexReg 7970; amended to be effective January 28, 2003, 28 TexReg 743; amended to be effective March 8, 2007, 32 TexReg 1092; amended to be effective April 1, 2011, 36 TexReg 2001; amended to be effective December 22, 2014, 39 TexReg 10029; amended to be effective November 14, 2017, 42 TexReg 6378; amended to be effective August 18, 2022, 47 TexReg 4856