Source document for cash receipts journal?

The source document for a cash receipts journal is typically a cash receipt, which serves as evidence of a transaction where cash has been received. This document includes details such as the date of the transaction, the amount received, the source of the funds, and any relevant customer or invoice information. Other potential source documents can include bank deposit slips or sales invoices that indicate cash payments. These documents help ensure accurate record-keeping and facilitate the reconciliation of cash accounts.