| # Project Invoicing (PIN) Use the Project Invoicing module to collect invoice data and transfer it to the Sales Invoicing module in Central Invoicing for final editing and printing. For more details, see To use invoicing. You can choose from different invoice methods: To use cost plus invoicing To release cost plus transactions To use unit rate invoicing To use installment invoicing To use progress invoicing Possible accounting methods are: To use holdback To use advance payment requests |