13. Promotion.
(1) Promotion of an employee shall be made at the discretion of the Board and notwithstanding his seniority in a Grade, no employee shall have a right to be promoted to any particular Position or Grade.
(2) Promotions of Officers to a higher Grade shall be made on consideration of merit-cum-seniority.
(3) Promotions of Assistants to a higher Grade shall be made on consideration of seniority-cum- merit.