(1) Sub-Lieutenant and below:- The relative position in the Navy List of officers of the same seniority in the rank shall be determined in alphabetical order.
(2) Lieutenants:- Seniority as Lieutenant shall be determined on the basis of time gained or lost during initial training, Officers of the same seniority as Lieutenants shall be placed in the Navy list in accordance with their date of commission. If they date of commission also happens to be the same, then the age shall determine the reality position in the Navy List, that is to say, the older, the senior.
(3) Lieutenant commander:- if two officers in the rank of Lieutenant are promoted to the rank of Lieutenant Commander on the same date, they shall retain the same relative seniority as in the rank of Lieutenant.
(4) Commanders and above- The seniority of officers in the ranks of Commander and above shall be regulated in the order in which their substantive promotion to that rank are made.