50 C.F.R. § 29.21-5 Construction.
Title 50 - Wildlife and Fisheries
(a) If construction is not commenced within two (2) years after date of right-of-way grant, the right-of-way may be canceled by the Director of the U.S. Fish and Wildlife Service at his discretion. (b) Proof of construction: Upon completion of construction, the applicant shall file a certification of completion with the Regional Director. [42 FR 43919, Aug. 31, 1977]
Title 50: Wildlife and Fisheries
PART 29—LAND USE MANAGEMENT
Subpart B—Rights-of-Way General Regulations
§ 29.21-5 Construction.