Civil Service Personnel Rules Rule 245
245. The fractions of year of term of service of pension benefit shall not be allowed to calculate in the following conditions:
(a) the period needed to complete five years for gratuity;
(b) the period needed to complete 10 years for pension benefit;
(c) the period needed to complete 20 years for reduction pension;
(d) the period needed to complete 25 years for reduction pension;
(e) the period needed to complete 30 yearsfor retiring pension.