Section 70. Pasturing Livestock. —

Imprisonment for not less than six (6) months nor more than two (2) years and a fine equal to ten (10) times the regular rentals due, in addition to the confiscation of such livestock and all improvements introduced in the area in favor of the government, shall be imposed upon any person, who shall, without authority under a lease or permit, graze or cause to graze livestock in forest lands, grazing lands and alienable and disposable lands which have not as yet been disposed of in accordance with the Public Land Act; Provided, That in case the offender is a corporation, partnership or association, the officers and directors thereof shall be liable.