The principles applied are as specified in Regulations 44(1) and 44(2) (a), (b) and (c) - Public Officers Regulations (Appointment, Promotion and Termination of Service) 2012 [P.U.(a) 1/2012]. The salary received by a public officer who has been promoted shall be higher than the last-drawn salary received in the previous grade, and the difference shall not be less than one (1) salary movement in the previous grade.