The NTv2 files BWTA2017 are Open Data by Data licence Germany – attribution – version 2.0 Name of Provider: "Datengrundlage: LGL, www.lgl-bw.de". Dataset URI: https://www.lgl-bw.de/lgl-internet/opencms/de/05_Geoinformation/Galerien/Dokumente/BWTA2017.zip Data licence Germany – attribution – version 2.0 (1) Any use will be permitted provided it fulfils the requirements of this "Data licence Germany – attribution – Version 2.0". The data and meta-data provided may, for commercial and non-commercial use, in particular be copied, printed, presented, altered, processed and transmitted to third parties; be merged with own data and with the data of others and be combined to form new and independent datasets; be integrated in internal and external business processes, products and applications in public and non-public electronic networks. (2) The user must ensure that the source note contains the following information: the name of the provider, the annotation "Data licence Germany – attribution – Version 2.0" or "dl-de/by-2-0" referring to the licence text available at www.govdata.de/dl-de/by-2-0, and a reference to the dataset (URI). This applies only if the entity keeping the data provides the pieces of information 1-3 for the source note. (3) Changes, editing, new designs or other amendments must be marked as such in the source note. URL: http://www.govdata.de/dl-de/by-2-0