73. Restriction on subsequent employment in departments or organizations
Notwithstanding anything in any other Act, a person who ¾
(a) immediately before his or her employment as a ministerial officer, was not employed in a department or organization; or
(b) is engaged under a contract for services under section 100(1) to assist a political office holder,
is not, while he or she remains employed as a ministerial officer or so engaged under a contract for services, eligible to apply for, or to be appointed to, any office, post or position in any department or organization.