We want to use the "Manual Payment Form" for all internal processing, the form doesn't cater for Family Membership processing. When I press Save, the txn proceeds to batch without asking for other Family Names.
The standard Manual Payment does not cater for Family/Subscription Group very well. You'll notice the status stops at Awaiting Payment. It is expecting you to add the Payment Items (family members) manually.
The best way is described in procedure: https://help.payments2us.com/m/userguide/l/333599-how-to-do-manual-payments-for-family-group-subscriptions Using the "Make Payment" Button on the Contact - select "Credit Card", then select Manual type of payment.