(2)When a government servant returns after availing himself of a vacation either taken alone or combined with leave on average pay and applies for leave on average pay within three months of his return to duty, and the period of leave on average pay applied for together with the vacation and leave on average pay, if any, already availed of, exceed the limits laid down in Fundamental Rule 81(b) or in Subsidiary Rule 157 (a), the provisions of clause (1) shall apply.