Section 329(6)(c) in The Naval Ceremonial, Conditions Of Service And Miscellaneous Regulations, 1964
(c)When a sailor joins from another ship, "V.G." time for badge purposes shall be reckoned from the date entered on the Recommendation for [Promotion] [Substitued by S.R.O. 361, dated 10th November, 1975] and Conduct Record Sheet.