# ISDOC – Czech national standard for e-invoicing

### Version 6.0.2 from 2022-03-23

Copyright © 2022 MVČR

Copyright © 2014 ICT UNIE o.s.

Attached schemas and standard formally define exchange format for invoices and other types of documents. The format was originally created by Working Group for Electronic Data Interchange Standards of ICT Unie o.s.. As of now future development and maintenance is done by Ministry of the Interior.

Inquires can be sent to `isdoc@mvcr.cz`.

## Content of distribution

`doc/`
  `isdoc.pdf`

    Standard ISDOC 6.0.2 (in Czech)

  `isdoc.html`

    HTML rendering of the standard (in Czech)

`xsd/`

  Schemas in W3C XML Schema

  `isdoc-invoice-6.0.2.xsd`

    Base invoice schema

  `isdoc-invoice-dsig-6.0.2.xsd`

    Schema validating also structure of an embeded digital signature

  `isdoc-commondocument-6.0.2.xsd`

    Base nonpayment bank document schema

  `isdoc-commondocument-dsig-6.0.2.xsd`

    Schema validating also structure of an embeded digital signature

  `xmldsig-core-schema.xsd`

    XML Signature schema

  `isdoc-manifest-6.0.2.xsd`

    ISDOC archive manifest schema.

`sch/`

  Schematron schema for rules

  `isdoc-6.0.2.sch`

    Schematron schema covering selected rules

`doc-cs/`

  Hypertext schema documentation with Czech comments

  `isdoc-invoice-6.0.2.html`

    Invoice documentation

  `isdoc-commondocument-6.0.2.html`

    Nonpayment bank document documentation

`doc-en/`

  Hypertext schema documentation with English comments

  `isdoc-invoice-6.0.2.html`

    Invoice documentation

  `isdoc-commondocument-6.0.2.html`

    Nonpayment bank document documentation

`examples/`

  Sample ISDOC documents.

## Changelog

### Changes since version 6.0.1 from 2014-05-26

- Added a new document representation ISDOC.PDF that allows embedding of ISDOC into PDF/A-3 format.

- Description of some elements was improved.

- Schema now enforces uniqueness of line identifier.

- Clarified details about time stamping.