Section 15
SEC. 15. Within sixty days after the expiration of the period fixed by law for the annual performance of the labor or the making of improvements upon a mining claim, the locator thereof, or some person on his behalf cognizant of the facts, shall make and file for record with the mining recorder of the province or district in which the claim is situate an affidavit in substance as follows: AFFIDAVIT OF ANNUAL ASSESSMENT WORK. PHILIPPINE ISLANDS, Province of ................................ District of ............................., being first duly sworn, deposes and says that he is a citizen of the United States of America (or of the Philippine Islands, as the case may be) and more than twenty-one years of age; that be resides in ............................ Province of ................ district of .................................., P. I., and is personally acquainted with the mining, claim known as the ............................... (load or placer) claim, situate in the barrio of ..............................., Province of ..............................., Island of ................................ P. I., the declaration of location of which is recorded in the office of the mining recorder of said province (or district), in book ............. of Records of Mining Claims, at page ..............; that between the .............. day of .............................., 190 ...., and the .............. day of ..............................., 190...., not less than ................................... dollars' worth of labor was performed or improvements made upon said claim, not including the work done prior to the date of recording the same. Such work was done or improvements made by and at the expense of ........................., the owner of said claim, for the purpose of complying with the laws of the United States relating to annual assessment work, and .................................... (here name the miners or other persons who did the work) were the persons employed by said owner who did such work or made such improvements, and that said work or improvements consisted of and are described as follows, to wit: ..................................... (here describe the work done). (Signature) ............................................. Subscribed and sworn to before me this ............... day of ............................, 190 ... ------------------------------------------ (Signature of officer who administers oath.) Such affidavit, when recorded, shall be prima facie evidence of the performance of such labor or the making of such improvements, shall be received in evidence by all courts in the Philippine Islands, as shall also the record thereof or a certified copy of the same.