CFR > Title 50 - Wildlife and Fisheries > CHAPTER I—UNITED STATES FISH AND WILDLIFE SERVICE, DEPARTMENT OF THE INTERIOR > SUBCHAPTER B—TAKING, POSSESSION, TRANSPORTATION, SALE, PURCHASE, BARTER, EXPORTATION, AND IMPORTATION OF WILDLIFE AND PLANTS (Parts 10–24) > PART 20—MIGRATORY BIRD HUNTING > SUBPART C—Taking (§20.20 to §20.26) > 20.23—Shooting hours.