My client is also my supplier

[Parker1090]

If you have a client who is also a supplier, the way to handle it would be a contra-invoicing bank account. You can’t set a client as a supplier to share invoices etc, but the contra account would allow you to do it to an extent. This should allow you to raise credit notes etc as you please. May be worth checking this topic out for a bit more detail:

Contra-Invoicing, Same Customer and Supplier, Netting-off receivables and payables

First, you will need to create a new bank ‘Contra’ Holding Bank Account, you then need to update both the sales and purchase invoices as paid to/from the ‘Contra’ bank account. If we use an example of £1000.00 outstanding on both sales and purchase invoice for the same person, the ‘Contra’ bank account will show: 1. Money In: For Sales Invoice #100** = £1,000.00 2. Money Out: For Purchase Invoice QF00** = £1,000.00 Therefore, the balance on the ‘Contra’ bank account will now be zero. N…

Hope that helps!