SECTION 1. Section Thirteen A of Commonwealth Act Numbered One hundred eighty-six, as amended, is further amended to read as follows:
"SEC. 13-A. Reconstitution of service record.—For the purpose of Section thirteen of this Act, such employee shall reconstruct and the System shall verily the record of his service rendered prior to June sixteen, nineteen hundred fifty-one, in accordance with such procedures as the Board may adopt and the provision of the Rules of Court. Such records of services shall be submitted to the System within two years from the date of approval of this amendatory Act, from his re-employment if re-employed after said date together with the certificates, affidavits and other documents relied upon for the reconstitution of said record.
Any employee who fails to submit such record of service within said specified period shall lose automatically all rights granted by this Act pertaining to said service. Upon proper cause shown, the Board may grant extension of time for the presentation of said record of service or proofs thereof but in no case shall the total extended period exceed one year from the expiration of the original period.
Any certified copy of document or paper that may be necessary in the reconstitute of a record of service shall be furnished, free of charge, by an office, instrumental or corporation of the Government."