169.16—Affidavit of completion.
Upon the completion of the construction of any right-of-way, the applicant shall promptly file with the Secretary an affidavit of completion, in duplicate, executed by the engineer and certified by the applicant. The Secretary shall transmit one copy of the affidavit to the office of record mentioned in § 169.15. Failure to file an affidavit in accordance with this section shall subject the right-of-way to cancellation in accordance with § 169.20.