SECTION 1. Section 324 (d) of Republic Act No. 7160 is hereby amended to read as follows:
"(d) Five percent (5%) of the estimated revenue from regular sources shall be set aside as annual lump sum appropriations for relief, rehabilitation, reconstruction and other works or services in connection with calamities which may occur during the budget year: Provided, however, That such fund shall be used only in the area, or a portion thereof, of the local government unit or other areas affected by a disaster or calamity, as determined and declared by the local sanggunian concerned.
"Calamity shall be defined as a state of extreme distress or misfortune, produced by some adverse circumstance or event or any great misfortune or cause or loss or misery caused by natural forces.
"In case of fire or conflagration the calamity fund shall be utilized only for relief operations.
"The local development council shall monitor the use and disbursement of the local calamity fund."