46 C.F.R. § 67.239

An assumption of mortgage presented for filing and recording must:

(a) Be signed by or on behalf of each original mortgagor, each mortgagee, and each assuming party; and

(b) Recite the following:

(1) The name and address of each original mortgagor and the interest in the vessel mortgaged; and

(2) The name and address of each assuming party and the interest in the mortgage assumed.