7. Contributions by a participant shall be made through payroll deductions of integral dollar amounts not in excess of the maximum contribution amount permitted under the federal Internal Revenue Code of 1986, as amended. Participants who are making contributions through payroll deductions may also make lump-sum contributions by direct payments in integral dollar amounts of not less than $50.00, provided, however, that the total contributions for any one year may not exceed the maximum contribution amount permitted by federal law.
Contributions by a participant shall cease upon retirement, death, or upon termination of membership in a State administered retirement system.