31 C.F.R. § 306.101
Copies of a final judgment, decree, or order of court and of any necessary supplementary proceedings must be submitted. Assignments by a trustee in bankruptcy or a receiver of an insolvent's estate must be supported by evidence of his qualification. Assignments by a receiver in equity or a similar court officer must be supported by a copy of an order authorizing him to assign, or to sell, or to otherwise dispose of, the securities. Where the documents are dated more than 6 months prior to presentation of the securities, there must also be submitted a certificate dated within 6 months of presentation of the securities, showing the judgment, decree, or order, or evidence of qualification, is in full force. Any such evidence must be certified under court seal.
31 C.F.R. § 306.101