31 CFR §347.2

1. (a)Fiscal Service is responsible for administering Treasury's retirement savings program and for issuing the retirement savings bonds to the IRA custodian for Treasury's retirement savings program and to the Auto-IRA custodians for certain state Auto-IRA programs. The states are responsible for administering their Auto-IRA retirement savings programs, including the designation of Auto-IRA custodians to perform all operational responsibilities associated with the retirement savings bonds issued by Fiscal Service.
2. (b)Communications concerning transactions relating to an individual's IRA should be addressed to the appropriate custodian.