All revenues collected by the System under this Title shall be deposited, invested, administered and disbursed in the same manner and under the same conditions, requirements and safeguards as provided by Republic Act Numbered Eleven Hundred Sixty-One, as amended, with regard to such other funds as are thereunder being paid to or collected by the SSS and GSIS, respectively: Provided, That the Commission, SSS and GSIS may disburse each year not more than twelve percent of the contribution and investment earnings collected for operational expenses, including occupational health and safety programs, incidental to the carrying out of this Title.