ISDOC is an XML based invoicing format widely used in the Czech Republic, see ISDOC specification.
ISDOC allows to use extensions both on invoice and line level to transfer additional user- or sector-specific data. This repository contains definitions and examples of such extensions.
If you have created extension that is not listed here please fill an issue and we will add link to it.
Also if you will find problems with extensions published here or if you have questions please use issue tracker.