[A] To add a third party address, go to the Network module.
[B] Search the company for which the third party address is to be added. Click on the Edit button next to it.
[C] On the next page, scroll down to Delivery Location and click the "+" sign next to it.
[D] Add all details of the third party address. Then click on the Save icon. The new shipping address will be saved.
[E] Now you can select this address while creating an invoice or OC.
Keywords: Third-party Address