{"data":{"id":"us/50-cfr-29.21","jurisdiction":"us","citation":"50 CFR 29.21","heading":"Construction.","body":"(a) If construction is not commenced within 2 years after the date of the right-of-way grant, the right-of-way may be canceled by the Director of the U.S. Fish and Wildlife Service.\n(b) Upon completion of construction, the applicant shall file a certification of completion with the Regional Director.","path":["Title 50—Wildlife and Fisheries","CHAPTER I—UNITED STATES FISH AND WILDLIFE SERVICE, DEPARTMENT OF THE INTERIOR","SUBCHAPTER C—THE NATIONAL WILDLIFE REFUGE SYSTEM","PART 29—LAND USE MANAGEMENT","Subpart B—Rights-of-Way General Regulations"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-50.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:39Z","sha256":"25e32e115f12d247aea2fe9ab5c7a361baed3059c3ac25ab852e96dda8aa1823","source_id":"us-cfr","stale":true,"prev":"us/50-cfr-29.20","next":"us/50-cfr-29.22"},"notice":"GroundRules: Original legal text. Not legal advice."}