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title: "Maintaining Invoices & Credit Notes"
canonical: "https://kb.myframeworks.com.au/space/PROSTIXV48DOC/31099348/Maintaining%20Invoices%20%26%20Credit%20Notes"
format: markdown
---
This procedure explains how  to make alterations to Supplier invoices that have already been posted using the Invoice Post program. You can alter some of the data that makes up the invoice and you can also change the payment status code so that invoices are held from payment or selected to be paid.   Pre-Requisites:   An invoice must have been entered and posted to the General Ledger for this supplier. To make alterations to Supplier invoices that have already been posted using the Invoice Post program. perform the following: 1. From the  ProStix Main Menu  select  'Accounts Payable'  then  'Transaction Processing'  then ' Invoice Maintenance '. 2. If required, select the Company, then press <Enter>. 3. S earch for, then select the Supplier ( by using the <Page Up/Down> and <Arrow> keys)  whose invoice(s) you wish to alter,  then select <Enter>. 4. The next screen displays a list of unpaid or part-paid invoices for the selected Supplier that have been posted using the  Invoice Post  program. 5 . If the invoice you are looking for does not appear on the screen, then select the <Page Up/Down> and <Arrow> keys, or type the invoice number to locate it automatically then select <Enter>. The next screen displays the current payment details for the selected invoice. 6. If required, use the Options menu to update/maintain the Supplier Invoice options. Refer to the 'Supplier Invoice' collapsible link below for an explanation of these options.   7. Continue  maintaining any further invoices or continue to select <F4> until you return to the  'Invoice Maintenance ' menu.