Section 347.10 - Authorized form of registration(a) Retirement savings bonds are issued to the IRA custodian for Treasury's retirement savings program. No other registrations under this subpart are permitted.(b) In the event Fiscal Service designates a successor IRA custodian, Fiscal Service may reissue retirement savings bonds held by the predecessor custodian to the successor custodian. 82 FR 6246 , Jan. 19, 2017