Lockbox (accounts receivable)
In banking, a lockbox is a service offered to organizations by commercial banks to simplify collection and processing of accounts receivable by having those organizations' customers' payments mailed directly to a location accessible by the bank. == General == In general, a lockbox is a post-office box (PO box) that is accessible by a bank.
Source: Wikipedia — Lockbox (accounts receivable) (CC BY-SA 4.0)