28 CFR § 551.11
Authority to approve a marriage
July 24, 2020
(a) The Warden may approve the marriage of a federal inmate confined in a federal institution. This authority may not be delegated below the level of Acting Warden.
(b) The appropriate Community Corrections Manager may approve the request to marry of a federal inmate who is not confined in a federal institution (for example, a federal inmate who is in a community corrections center, in home confinement, in state custody, or in a local detention facility).
[49 FR 18385, Apr. 30, 1984, as amended at 58 FR 58248, Oct. 29, 1993]