Republic Act No. 6683 provides benefits for early retirement and voluntary separation from government service. It covers all national and local government appointive officials and employees who have rendered at least two years of service. Those who voluntarily retire or separate receive retirement benefits equivalent to 1.25 months of basic salary for each year of service, with a minimum of PHP 10,000. Additional benefits include return of GSIS contributions and payment of unused leave credits. The act aims to promote efficiency in government operations through a retirement and separation scheme.