39 CFR § 761.4 - Transfer or pledge.
(a) A transfer or pledge of book-entry Postal Service securities to a Reserve bank (in its individual capacity or as fiscal agent of the United States) or to the United States, or to any transferee or pledgee eligible to maintain an appropriate book-entry account in its name with a Reserve bank under this part, is effected and perfected, notwithstanding any provision of law to the contrary, by a Reserve bank making an appropriate entry in its records of the securities transferred or pledged. The making of such an entry in the records of a Reserve bank shall (1) have the effect of a delivery in bearer form of definitive Postal Service securities; (2) have the effect of a taking of delivery by the transferee or pledgee; (3) constitute the transferee or pledgee a holder; and (4) if a pledge, effect a perfected security interest therein in favor of the pledgee. A transfer or pledge of book-entry Postal Service securities effected under this paragraph shall have priority over any transfer, pledge, or other interest, theretofore or thereafter effected or perfected under paragraph (b) of this section or in any other manner.
(b) A transfer or a pledge of transferable Postal Service securities, or any interest therein, which is maintained by a Reserve bank (in its individual capacity or as fiscal agent of the United States) in a book-entry account under this part, including securities in book-entry form under § 761.3(a)(3), is effected, and a pledge is perfected, by any means that would be effective under applicable law to effect a transfer or to effect and perfect a pledge of the Postal Service securities, or any interest therein, if the securities were maintained by the Reserve bank in bearer definitive form. For purposes of transfer or pledge hereunder, book-entry Postal Service securities maintained by a Reserve bank shall, notwithstanding any provision of law to the contrary, be deemed to be maintained in bearer definitive form. A Reserve bank maintaining book-entry Postal Service securities either in its individual capacity or as fiscal agent of the United States is not a bailee for purposes of notification of pledges of those securities under this paragraph, or a third person in possession for purposes of acknowledgment of transfers thereof under this paragraph. Where transferable Postal Service securities are recorded on the books of a depositary (a bank, banking institution, financial firm, or similar party, which regularly accepts in the course of its business Postal Service securities as a custodial service for customers, and maintains accounts in the names of such customers reflecting ownership of or interest in such securities) for account of the pledgor or transferor thereof and such securities are on deposit with a Reserve bank in a book-entry account hereunder, such depositary shall, for purposes of perfecting a pledge of such securities or effecting delivery of such securities to a purchaser under applicable provisions of law, be the bailee to which notification of the pledge of the securities may be given or the third person in possession from which acknowledgment of the holding of the securities for the purchaser may be obtained. A Reserve bank will not accept notice or advice of a transfer or pledge effected or perfected under this paragraph, and any such notice or advice shall have no effect. A Reserve bank may continue to deal with its depositor in accordance with the provisions of this part, notwithstanding any transfer or pledge effected or perfected under this paragraph.
(c) No filing or recording with a public recording office or officer shall be necessary or effective with respect to any transfer or pledge of book-entry Postal Service securities or any interest therein.
(d) A Reserve Bank shall, upon receipt of appropriate instructions, convert book-entry Postal Service securities into definitive Postal Service securities and deliver them in accordance with such instructions; no such conversion shall effect existing interests in such Postal Service securities.
(f) All requests for transfer or withdrawal must be made prior to the maturity or date of call of the securities.