Requisites of exemption: (Mnemonic:10-50RPBP) a. This is the first time availment of retirement benefits exemption. b. The retiring official or employee has been in the services of the same employer for at least ten (10) years. c. The retiring employees is at least fifty (50) years of age at the time of retirement. d. The Employer maintains a reasonable private benefits plan. A reasonable private benefits plan means a pension, gratuity, stock bonus, or profit-sharing plan maintained by an employer for the benefits of some or all of his officials or employees, wherein contributions are made by such employer for the officials or employees, or both, for the purpose of distributing to such officials and employees the earnings and principal of the fund thus accumulated, and wherein it is provided in said plan that at no time shall any part of the corpus or income of the fund be used for, or be diverted to, any purpose other than for executive benefits of the said officials and employees. To be exempt, the retirement benefit plan must be "trusted" plan where the fund is held under the management of a trustee free from both employer and employees control. The 10-year service period requirement pertains to cumulative years of employment with the same employer. It does not need to be continuous years of employment. A requirement for continuous employment would be prejudicial to working women.