Select existing relationship as billing address


Some customers have same billing address (eg. chains or groups)
Instead of punching the same address over and over again it should be possible to select an existing customer as billing address.

Why is this feature important?
Makes life easier. Avoid human errors.

Please describe how you would use this feature:
Avoid punching the same information over and over again.

If we do not work on this feature, how will this impact your business?
More work. Potensial typos.