Section 5
SEC. 5. Nothing in this Act shall operate or be construed to— reduce or adversely affect the retirement benefits, or privileges authorized for any retired person or beneficiaries on the date this Act takes effect; authorize the payment of any back monthly retirement pay or pension corresponding to any period during which the retired or separated person was in the active service of the Philippine Army or any guerrilla organization duly recognized as a component thereof; or restore any retired or separated person to the military service, or credit him with additional active military service.