When, in the course of inspection, cash, checks, or money orders from a clearly identifiable source are found, they shall be mailed back to the sender, in accordance with departmental directive #4422. Facilities will continue to process cash received in the mailroom in accordance with departmental directive #4422. All anonymously received monies will be considered contraband and handled accordingly.
N.Y. Comp. Codes R. & Regs. Tit. 7 § 720.4