Section 20
SEC. 20. The Chief of the Bureau of Forestry shall assign a forester to the province, who shall have his office at Baguio. He shall perform the duties prescribed by general law for foresters, except that he shall collect no revenue for firewood used by native residents to cook their food or warm their houses, or for limber actually used by them in the construction of their dwelling houses, or in fencing plots of cultivated grounds, but they shall he allowed the necessary timber and firewood for these purposes free of charge: Provided, That the usual charges shall be collected on all timber or firewood sold by one person to another or offered for sale.