Such licenses shall be effective from July 1 to June 30 inclusive. A person while engaged in the business of buying furs and skins shall have upon his or her person a license as provided in section 4268 of this title and on demand of a game warden or other officer authorized by law to make arrests shall exhibit such license. (Added 1961, No. 119, § 1, eff. May 9, 1961; amended 1981, No. 85, § 4, eff. Jan. 1, 1982.)