CFR > Title 50 - Wildlife and Fisheries > CHAPTER I—UNITED STATES FISH AND WILDLIFE SERVICE, DEPARTMENT OF THE INTERIOR > SUBCHAPTER C—THE NATIONAL WILDLIFE REFUGE SYSTEM (Parts 25–38) > PART 28—ENFORCEMENT, PENALTY, AND PROCEDURAL REQUIREMENTS FOR VIOLATIONS OF PARTS 25, 26, AND 27 > SUBPART D—Impoundment Procedures (§28.41 to §28.43)