#. Go to *Sales > Sales > Contracts*. #. Create one. #. Select a partner to which invoice. #. Select a mandate. #. Click on **Generate recurring invoices automatically** checkbox. #. Add a product to invoice. #. If you create an invoice, new invoice will have the selected mandate.
#. Go to *Sales > Sales > Contracts*.
#. Create one.
#. Select a partner to which invoice.
#. Select a mandate.
#. Click on **Generate recurring invoices automatically** checkbox.
#. Add a product to invoice.
#. If you create an invoice, new invoice will have the selected mandate.