When you set up intercompany orders in Business Central, you need a customer in your supply company that represents your sales company. The key configuration is the IC Partner Code on that customer card. It must match exactly the IC Partner Code defined in your sales company information, otherwise the intercompany link will not work.
Why you need a customer that represents your sales company
When you work with intercompany orders, the supply company and the sales company need to know each other. In your supply company, that means setting up a customer card that represents your sales company. This customer is the counterpart that the intercompany transactions flow through.
Setting up the IC Partner Code on the customer card
On the customer card in your supply company, you set the IC Partner Code. This code tells Business Central that the customer is your sales company partner.
The IC Partner Code on the customer card must be the same code that is set up in the sales company information. It is important that those two are exactly the same. If they do not match, the intercompany setup will not work.
That is the essential piece you need on a customer card in your supply company to make intercompany orders work.
Q&A
What do I need to set up in my supply company for intercompany orders?
You need a customer card that represents your sales company, and you need to assign the IC Partner Code to that customer so Business Central knows it is your sales company partner.
Why is the IC Partner Code not working in my intercompany setup?
The most common reason is a mismatch. The IC Partner Code on the customer card in your supply company must be exactly the same as the IC Partner Code set up in the sales company information. If the two codes differ, the intercompany link will not work.