(a) A member of a State or local retirement or pension system may transfer service credit attained as a result of that membership to another State or local retirement or pension system if the member, without incurring a break in employment, accepts employment or an office that:
(1) requires or allows the member to participate in the new system; and
(2) does not allow the member to continue to accrue benefits in the previous system.
(b) A former member of a State or local retirement or pension system may transfer service credit attained as a result of the former membership to another State or local retirement or pension system if:
(1) the former member served as an elected or appointed official while a member of the previous system;
(2) the former member is serving as an elected or appointed official of the State when the former member requests the transfer of service credit;
(3) a break in employment occurred that prevents the former member from transferring service credit under subsection (a) of this section; and
(4) the former member’s current office:
(i) requires or allows the member to participate in the new system; and
(ii) does not allow the member to continue to accrue benefits in the previous system.