> For the complete documentation index, see [llms.txt](https://docs.ssaudit.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ssaudit.com/english-2/e-invoice.md).

# 7. E-INVOICE

- [7.1 Set up](https://docs.ssaudit.com/english-2/e-invoice/e-invoice-overview.md): Used to enter sales invoices, issue automatic invoices
- [7.2 Input](https://docs.ssaudit.com/english-2/e-invoice/input.md)
- [7.3 Process](https://docs.ssaudit.com/english-2/e-invoice/7.3-process.md)