Add or Change a Vendor's Tax ID
        If the vendor does not have a 
 Canada Revenue Agency (CRA) Account Number, enter their Social Insurance number. The CRA requires you to report this number along with payments 
 for certain kinds of services.
        
        
            - Open the Address tab in the   vendor's record. 
How?- In the Home window, click Vendors & Purchases on the navigation pane.
 - In the Tasks pane, right-click  the Vendors icon and select Modify Vendor from the menu.
 - Select a vendor from the list and click OK.
 - Click the Address tab.
 
 
            - In the Tax ID box, enter your   vendor'sCRA account number or social insurance number.
 
            - Click Save 
 and Close.