Section 44. The provisions of sections forty-two and forty-three shall not apply to (1) cutting by an owner or tenant of any forest product for his own noncommercial use; (2) cutting or sale of such products by any owner to an amount not exceeding twenty-five thousand board feet or fifty cords on any parcel of land at any one time; (3) cutting for clearance or maintenance on rights of way pertaining to public utilities and public highways; (4) clearing land for building or for purposes of cultivation or (5) maintenance cutting in pastures.