For the purposes of this subpart, the definitions provided in 31 CFR 357.3 are applicable, with the following additions:

Definitive Treasury security means a Treasury bond, note, certificate of indebtedness, or bill issued under 31 U.S.C. chapter 31 in engraved or printed form.

Eligible book-entry Treasury security means a security maintained in TRADES that was originally issued prior to August 15, 1986, which by the terms of its offering circular is available in either definitive or book-entry form.

(a) Except as provided in § 306.117, the provisions of 31 CFR part 357, subparts A, B, and D apply.

(b) This subpart is effective January 1, 1997.

(a) Eligible book-entry Treasury securities may be withdrawn from TRADES by requesting delivery of like definitive Treasury securities.

(b) Fiscal Service shall, upon receipt of appropriate instructions to withdraw eligible book-entry Treasury securities from book-entry form in TRADES, convert such securities into registered Treasury securities and deliver them in accordance with such instructions; no such conversion shall affect existing interests in such Treasury securities.

(c) All requests for withdrawal of eligible book-entry Treasury securities must be made prior to the maturity or date of call of the securities.

(d) Treasury securities which are to be delivered upon withdrawal may be issued in registered form, to the extent permitted by the applicable offering circular.