Invoice section

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This is where invoices are created. The core of the application :) An invoice is a form of formal contract established between Company and Client based on a Contract and contains a list of Products and Services. The invoice template contains standard elements and for those that pay for a subsctiption some other elements may be added. There is a standard template for free users and custom template for paying users. Watermark and DataStema publicity will be present on free version.

Mandatatory fields:

• [x] template language (this should correspond with the available languages in the application but not mandatory to be exact correspondence, at least one template EN),
• [x] serial number,
• [x] invoice currency
• [x] creation date (default today),
• [x] due date,
• [x] instruction for payment,
• [x] company data,
• [x] client data,
• [x] overall intstructions/comments,
• [x] contract,
• [x] product and services items (may change VAT, add the total item value)

Optional fields:

• [x] exchange rate from invoice currency

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EU legislation: https://taxation-customs.ec.europa.eu/vat-invoicing-rules_en Stripe best practices: https://stripe.com/docs/invoicing/global-config-guide

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WISE invoice templates:

• https://wise.com/us/invoice-templates/
• https://wise.com/us/invoice-generator/