My rent is split with roommates — whose receipt is this?
Each roommate is charged their own share and gets their own receipt for it, showing the share as a percentage of the rent for that period. A receipt for a 50% share is not a receipt for the whole month, and says so.
From the guide Receipts, Notices & Statements.
A receipt is issued when the money arrives, not when it is sent
A rent receipt is produced on settlement — when the funds have actually reached the recipient — not when the payment is submitted. On a bank transfer those are two to four business days apart. This matters: a receipt issued at submission would tell you that you had paid on a day the money had not moved, and would still say so if the bank later returned it.
Read the whole guide: Receipts, Notices & Statements