(a) A judicial officer who is a member of the retirement system and who accrues 20 years of service credit in the retirement system may elect to make contributions for each subsequent year of service credit that the member accrues by filing an application with the retirement system.
(b) A member who elects to make contributions under Subsection (a) shall contribute six percent of the member’s state compensation for each payroll period in the manner provided by Sections 840.102(b)-(f).