Section 13
SEC. 13. Section 24 of the same Decree is hereby amended to read as follows: "SEC. 24. Expenditures Required. A claimowner/lessee under this Decree and under the Mining Act (Commnonwealth Act No. 137), as amended, shall perform annual work obligations on his mining claim, the value of which shall not be less than the following amounts: "Before the lease contract is granted, per hectare per calendar year P 20.00 "After the lease contract is granted, per hectare per calendar year P100.00 "The annual work obligations for each mining claim registered under this Decree shall start from the date of recording thereof. "Holders of mining claims required to file lease application under Presidential Decree No. 1214 shall perform annual work obligations (the value of which is as stated above) on the mining claims from the date of filing of said applications." x x x x x x x x x x