28 C.F.R. § 540.11 Mail depositories.
Title 28 - Judicial Administration
The Warden shall establish at least one mail depository within the institution for an inmate to place outgoing correspondence. The Warden may establish a separate mail depository for outgoing special mail. Each item placed in a mail depository must contain a return address (see §540.12(d)). [50 FR 40109, Oct. 1, 1985, as amended at 64 FR 32171, June 15, 1999]
Title 28: Judicial Administration
PART 540—CONTACT WITH PERSONS IN THE COMMUNITY
Subpart B—Correspondence
§ 540.11 Mail depositories.
