I have a multi company setup with one parent and two child companies. we are having an issue where people can create an invoice from a sales order in company A in company B. They do this by having company B selected while they generate the invoice from the sales order from company A. this is causing a lot of headaches. 

Is there a way for me to make a rule where the invoice company_id is generated from the sales order company_id instead of the users current location?