# Allocate or Update Supplier Payment Transactions ### How to Allocate or Update Supplier Payment Transactions in Muhasib ERP ### Overview This guide will help you allocate an existing supplier payment or refund to the correct source transactions. Muhasib updates document outstanding balances while preserving the original cash/bank movement. ### Who can do this You need access to Supplier payment update/allocation and access to affected transactions. ### Before you start Confirm transaction direction, supplier, available amount, intended purchases/debits/returns, and authorization.

Before saving, check that the correct company is open and that you have permission to complete this task.

### Where to find it Locate the supplier payment/refund and open its transaction-allocation action. ### Allocate or Update Supplier Payment Transactions #### Step 1: Open the payment by stable document number/reference #### Step 2: Confirm whether money was paid or received #### Step 3: Review existing allocations and available value #### Step 4: Select eligible supplier transactions Select allowed supplier transactions. #### Step 5: Enter allocation amounts within available balances #### Step 6: Save once ### Check your work Compare and Confirm allocations, remaining unallocated value, supplier ledger, source balances, and unchanged payment amount.

Take a moment to check your work before closing the window. This small check can save time later.

### If something goes wrong - Do not use allocation to change transaction direction or bank account. - Reversed or closed-period records may be unavailable. ### Related guides - [Pay a Supplier](https://docs.muhasiberp.com/link/385) - [Record Payment or Refund From a Supplier](https://docs.muhasiberp.com/link/388) - [Correct or Reverse a Supplier Transaction](https://docs.muhasiberp.com/link/390) ### What to do next

[**Pay a Supplier**](https://docs.muhasiberp.com/link/385).