(a) Any member of the Tonawanda nation may cut timber on any land on the Tonawanda reservation to which he holds title by allotment solely for the purposes of manufacture of shingles, lumber and boards for the construction, erection and repair of buildings which such member owns situate upon said reservation and for firewood for himself and his family, and, upon obtaining a written permit, from the council of chiefs of said nation, granted only by resolution thereof, signed by the presiding officer and clerk thereof, may cut timber only on such part of the common unallotted land of the Tonawanda reservation and in such quantity as shall be specifically designated by such council of chiefs by such resolution and described in said permit, solely for the purposes of manufacture of shingles, lumber and boards for the construction, erection and repair of buildings which such member owns situate upon such reservation, and for firewood for himself and his family. No person not a member of the Tonawanda nation shall be employed by any Indian in cutting any timber on the Tonawanda reservation.