(a) Any person who is an employee and in service on September 30, 1959, shall become a member as of the date of establishment.
(b) Any person who becomes an employee on or after the date of establishment shall become a member as a condition of employment, provided such person is under age 55 on the date of appointment. Contributions by such person shall begin immediately, provided that he shall be eligible for duty disability and death benefits from the first day of service subject to the qualifying conditions prescribed for the payment of such benefits.
(c) Any person whose position and salary are specifically fixed in the annual appropriation acts.
(d) Any person employed by the employer who is not elsewhere excluded by the Virgin Islands Code from membership and whose term of employment is for at least one year, provided that an initial appointment to a position for the remainder of the then current fiscal year be considered as meeting this requirement.
(e) Notwithstanding the provisions of subsection (b) of this section, any person who is over 55 years of age on the date of his first appointment and who elects the option referred to in subsection (i), section 704 of this chapter.
(f) Notwithstanding any provision of this chapter, a person who reenters government service may elect not to be a member of the System if the person is 60 years of age or older and is not receiving a retirement annuity from the System.
(g) Any employee whose services are compensated on a contractual fee or per diem basis and who works exclusively for the Government at least 40 hours per week may be included as a member and receive service credit for such period by paying contributions pursuant to section 704 of this chapter.
(h) The following persons shall be excluded from membership in the system:
(1) Any casual employee.
(2) Any part-time employee who does not regularly work at least 50 percent of the normal work period.
(3) Any provisional employee.