Buyer contracts, instalments and receipts in one place

Units carry a code, a floor, an area, a price and their instalment terms: whether instalments are allowed, how many payments at most and the minimum down payment. A list can be pasted in one go.

A contract sells a share of one unit: all of it, half or a quarter. Whether a unit is free, partly sold or sold is calculated from its contracts, never typed by hand.

A draft is freely editable. Once signed, its number, price and currency are locked; it cannot go back to draft or be deleted, only terminated, and a terminated contract is frozen and frees its share of the unit.

The schedule generator takes a down payment in percent, a number of equal parts and the months between them; the last part takes the rounding remainder. The unit's terms are checked, and only the owner can override them, with the override recorded on the contract.

Each receipt is booked against one instalment at the exchange rate of its date. Partial payments are allowed; an overpayment or a date in the future is refused.

The unpaid parts of every schedule are summed by due month in the project currency. Overdue amounts are reported apart and never spread over future months, so the forecast does not hide a payment that is already late.

A signed contract with an overdue instalment raises one signal, high after 14 days late. It reaches the overview, the signal counter and the people responsible like every other signal.

This module is for the contracts you sell. Contractor contracts live in tenders and as commitments in the budget. Contract files and refunds are not handled here yet.