46 C.F.R. § 67.207 Requirement for date and acknowledgment.
Title 46 - Shipping
(a) Every instrument presented for filing and recording must: (1) Bear the date of its execution; and (2) Contain an acknowledgment. (b) No officer or employee of the Coast Guard is authorized to take such acknowledgments unless the instrument is executed on behalf of the Federal Government of the United States.
Title 46: Shipping
PART 67—DOCUMENTATION OF VESSELS
Subpart O—Filing and Recording of Instruments—General Provisions
§ 67.207 Requirement for date and acknowledgment.