28 CFR § 540.23
Inmate funds received through the mails
July 24, 2020
Except as provided for in part 506 of this chapter, funds enclosed in inmate correspondence are to be rejected. Deposits intended for the inmate's commissary account must be mailed directly to the centralized commissary account (see 28 CFR part 506).
[69 FR 40317, July 2, 2004]