Implement the main logic
This module will be necessary for tracking invoices when one of us pays in advance. Plz finish it with the logic discussed in https://discuss.tryton.org/t/invoice-delegation/1496/15
This module will be necessary for tracking invoices when one of us pays in advance. Plz finish it with the logic discussed in https://discuss.tryton.org/t/invoice-delegation/1496/15