buyer could pay for the item after confirmation by administrator

[AJlekceu]

Hello everyone.
Tell me how to implement the following thing:
1. The buyer gains in commodity basket
2. Goes in the basket, choose the method of delivery and payment
3. confirms the order
4. Administrator receives the order and puts it status - confirmed
5. The buyer pays the Order
What should be done so that the buyer could pay for the item after confirmation by administrator?

[jenkinhill]

The admin/store owner should issue an invoice for payment by the customer. That is how most B2B stores work.