Payment terms are to be discussed and agreed upon with the customer before or during the proposal process. Standard terms are 50% deposit, 50% upon substantial completion. Other options are 1/3 deposit (not common), payment in full, payment upon receipt, contract billing. Invoices are standardly Net 30. Any deviation from invoice net terms will incur additional charge.
Payment terms are an important part of any contract and are the responsibility of the salesperson as the negotiating party. Any deviation from the payments terms in the job folder will become the financial responsibility of the salesperson.