As used in this article, unless the context clearly requires a different meaning:

"Annual addition" means, for purposes of the limitations under Section 415(c) of the Internal Revenue Code, the sum credited to a member"s account for any limitation year of: (A) Employer contributions; (B) employee contributions; and (C) forfeitures. Repayment of cash-outs or contributions as described in Section 415(k)(3) of the Internal Revenue Code, rollover contributions and picked-up employee contributions to a defined benefit plan may not be treated as annual additions, consistent with the requirements of Treasury Regulation §1.415(c)-1.

"Annuity account" or "annuity" means an account established for each member to record the deposit of member contributions and employer contributions and interest, dividends, or other accumulations credited on behalf of the member.

"Compensation" means the full compensation actually received by members for service whether or not a part of the compensation is received from other funds, federal or otherwise, than those provided by the state or its subdivisions: Provided, That annual compensation for determining contributions during any determination period may not exceed the maximum compensation allowed as adjusted for cost of living in accordance with §5-10D-7 of this code and Section 401(a)(17) of the Internal Revenue Code: Provided, however, That solely for purposes of applying the limitations of Section 415 of the Internal Revenue Code to any annual addition, "compensation" has the meaning given it in §18-7B-13(d) of this code.

"Consolidated board" or "board" means the Consolidated Public Retirement Board created and established pursuant to §5-10D-1 et seq. of this code.

"Defined contribution system" or "system" means the Teachers" Defined Contribution Retirement System created and established by this article.

"Employer" means the agency of and within the State of West Virginia which has employed or employs a member.

"Employer contribution" means an amount deposited into the member"s individual annuity account on a periodic basis coinciding with the employee"s regular pay period by an employer from its own funds.

"Employment term" means employment for at least 10 months in any plan year with a month being defined as 20 employment days.

"Existing employer" means any employer who employed or employs a member of the system.

"Existing retirement system" means the State Teachers Retirement System established in §18-7A-1 et seq. of this code.

"Internal Revenue Code" means the Internal Revenue Code of 1986, as it has been amended.

"Member" or "employee" means the following persons, if regularly employed for full-time service: (A) Any person employed for instructional service in the public schools of West Virginia; (B) principals; (C) public school librarians; (D) superintendents of schools and assistant county superintendents of schools; (E) any county school attendance director holding a West Virginia teacher"s certificate; (F) members of the research, extension, administrative, or library staffs of the public schools; (G) the State Superintendent of Schools, heads and assistant heads of the divisions under his or her supervision, or any other employee under the state superintendent performing services of an educational nature; (H) employees of the State Board of Education who are performing services of an educational nature; (I) any person employed in a nonteaching capacity by the State Board of Education, any county board of education, or the State Department of Education, if that person was formerly employed as a teacher in the public schools; (J) all classroom teachers, principals, and educational administrators in schools under the supervision of the Division of Corrections and the Department of Health and Human Resources; (K) any person who is regularly employed for full-time service by any county board of education, educational services cooperative, or the State Board of Education; (L) the administrative staff of the public schools including deans of instruction, deans of men and deans of women, and financial and administrative secretaries; (M) any person designated as a 21st Century Learner Fellow pursuant to §18A-3-11 of this code who elects to remain a member of the Teachers" Defined Contribution Retirement System established by this article; and (N) any person employed by a public charter school established pursuant to §18-5G-1 et seq. of this code if the charter school includes in its charter contract entered into pursuant to §18-5G-7 of this code a determination to participate in the retirement systems under this article, subject to §18-7B-7a, and §18-7A-1 et seq. of this code.

"Member contribution" means an amount reduced from the employee"s regular pay periods, and deposited into the member"s individual annuity account within the Teachers" Defined Contribution Retirement System.

"Permanent, total disability" means a mental or physical incapacity requiring absence from employment service for at least six months: Provided, That the incapacity is shown by an examination by a physician or physicians selected by the board: Provided, however, That for employees hired on or after July 1, 2005, "permanent, total disability" means an inability to engage in substantial gainful activity by reason of any medically determinable physical or mental impairment that can be expected to result in death, or has lasted or can be expected to last for a continuous period of not less than 12 months and the incapacity is so severe that the member is likely to be permanently unable to perform the duties of the position the member occupied immediately prior to his or her disabling injury or illness.

"Plan year" means the 12-month period commencing on July 1 of any designated year and ending on the following June 30.

"Public schools" means all publicly supported schools, including normal schools, colleges, and universities in this state.

"Regularly employed for full-time service" means employment in a regular position or job throughout the employment term regardless of the number of hours worked or the method of pay.

"Required beginning date" means April 1 of the calendar year following the later of: (A) The calendar year in which the member attains age 70 and one-half years; or (B) the calendar year in which the member retires or otherwise ceases employment with a participating employer after having attained the age of 70 and one-half years.

"Retirement" means a member"s withdrawal from the active employment of a participating employer and completion of all conditions precedent to retirement.

"Year of employment service" means employment for at least 10 months, with a month being defined as 20 employment days: Provided, That no more than one year of service may be accumulated in any 12-month period.