The Tamil Nadu Accounts Service Rules,2015State Rules of Tamil Nadu · 1920
(1)Where it is necessary in the public interest owing to an emergency which has arisen to immediately fill a vacancy, the appointing authority, with prior approval of Government, may promote a person purely on a temporary basis, until a person is appointed in accordance with the rules.
(2) No person who does not possess the prescribed qualification shall be promoted under sub-rule (1).
(3) A person promoted under sub-rule (1), shall not be regarded as probationer in the higher category or be entitled for any preferential claim for future promotion to such higher category or seniority.