Section 225.4 - Pledge of book-entry Government obligations(a)General. Except as otherwise provided by the Secretary in procedural instructions, an obligor, or a depositary acting as agent or sub-agent for the obligor, or the bond official, shall arrange a pledge pursuant to the prior agreement and approval of the bond official, of book-entry Government obligations. The Government obligations must be transferred to an account for the benefit of the bond official. The custodian holding the Government obligations is not required to establish that the agreement and approval of the bond official has been obtained prior to such a transfer.(b)Receipt. Upon the transfer of Government obligations to an account for the benefit of the bond official, the custodian will promptly issue a receipt or an activity statement, or both, to the bond official and to the obligor or a depositary acting as agent or sub-agent for the obligor.(c)Effect of the transfer. Book-entry Government obligations credited to an account for the benefit of the bond official shall have the effect as provided in part 357 of this title, or in other applicable regulations.