# Inland ENC related Papers ### Referenced official papers All official papers which are mentioned as references in the Encoding Guide and Feature Catalogue are published at following web-pages: * CEMT - Classification of European inland waterways [UNECE TRANS/SC.3/131 (resolution No. 30)](https://unece.org/DAM/trans/doc/finaldocs/sc3/TRANS-SC3-131e.pdf) * CEVNI - European Code for inland waterways [UNECE TRANS/SC.3/115 Revesion 5 (resolution No. 24)](http://www.unece.org/fileadmin/DAM/trans/doc/finaldocs/sc3/ECE-TRANS-SC3-115-Rev.5e_WEB.pdf) * NORMAN-17 - NORMAS DA AUTORIDADE MARÍTIMA PARA AUXÍLIOS À NAVEGAÇÃO {% file src="" %} NORMAN-17 {% endfile %} ### Standardized water level exchange format The IEHG has agreed upon a standardized data exchange format for detailed water level information that can be used by applications to display the actual water depth or for voyage planning. A precondition is the encoding of the depth in accordance with I.1.2 of the Encoding Guide for Inland ENCs: {% file src="" %} Description of the standardized water level exchange format {% endfile %} {% file src="" %} XML schema of the standardized water level exchange format {% endfile %} ### Recommended validation checks for Inland ENCs IEHG has also developed "Recommended validation checks for Inland ENCs". The following editions are available: * Recommended validation checks for Inland ENCs 1.1 (based on S-58 Edition 4.2 and Edition 2.1 of Inland ENCs) {% file src="" %} Recommended validation checks 1.1 {% endfile %} * Recommended validation checks for Inland ENCs 2.3 corr1 (based on S-58 Edition 4.2 and Edition 2.3 of inland ENCs) {% file src="" %} Recommended validation checks 2.3 corr 1 {% endfile %} * Recommended Validation checks for Inland ENCs 2.4 rev1 (based on S-58 Edition 6.0.0 and Edition 2.4 of Inland ENCs). This version will get an official status after testing {% file src="" %} Recommended validation checks 2.4 rev1 {% endfile %} * Recommended Validation checks for Inland ENCs 2.5.1 (based on S-58 Edition 6.0.0 and Edition 2.5 of Inland ENCs). The draft version of edition 2.5 has been tested and some corrections have been made. This edition 2.5.1 has been adopted by IEHG. * Edition 2.5.1 contained some typos (check 1641: umtroc instead of uwtroc, check 1669: logical instead of illogical, check 1752: SEGSEQ instead of SIGSEQ, check 1806: nor intead of not, check i1504: flodoc instead of gatcon, check i1523: equal to instead of Equal to, check i1548: Wrecks intead of WRECKS). These typos have been corrected in the following version. {% file src="" %} Recommended Validation Checks for Inland ENCs, Edition 2.5.1, corrected {% endfile %} Recommended Validation Checks for Inland ENCs 2.6 (based on S-58 Edition 6.0.0 and Edition 2.6 of Inland ENCs). {% file src="" %} Recommended Validation Checks for Inland ENCs, Edition 2.6 {% endfile %} Recommended Validation Checks for Inland ENCs 2.6.1 (based on S-58 Edition 8.0.0 and Edition 2.6 of Inland ENCs). {% file src="" %} Recommended Validation Checks for Inland ENCs, Edition 2.6.1 {% endfile %} * The following Excel sheet is providing an overview of the minimum content of Inland ENCs. It has been the basis for version 2.3.5 of the Encoding Guide. {% file src="" %} IENC minimum content v 2.4 {% endfile %} ### Other papers All private papers which concern InlandECDIS or the production of IENCs can be published here. Please submit the proposed document via the [discussion forum ](https://wss.apan.org/army/iehg/)under "General discussions". * Recommendations of the European project IRIS II (Implementation of River Information Services) regarding the accuracy of depth data in Inland ENCs and the update intervals for depth data: {% file src="" %} Accuracy and update requirements {% endfile %} * Evaluation and recommendations regarding the use of SCAMIN and Usages in Inland ENCs {% file src="" %} SCAMIN and usages in IENCs {% endfile %}