Section 615.5457 - Withdrawal of eligible book-entry securities for conversion to definitive form(a) Eligible book-entry securities may be withdrawn from the Book-entry System by requesting delivery of like definitive Farm Credit securities.(b) A Federal Reserve Bank shall, upon receipt of appropriate instructions to withdraw eligible book-entry securities from book-entry in the Book-entry System, convert such securities into definitive Farm Credit securities and deliver them in accordance with such instructions.(c) Farm Credit securities which are to be delivered upon withdrawal may be issued in either registered or bearer form, to the extent permitted by the applicable securities documentation.(d) All requests for withdrawal of eligible book-entry securities must be made prior to the maturity or the applicable date of call of the Farm Credit securities.61 FR 67192, Dec. 20, 1996, as amended at 62 FR 53230, Oct. 14, 1997