In terms of use is written:
"The subscriber is obliged to state the author of the source data when creating his own work and when publishing it in the form " GK, NLC; r.2017.""
We have custom source tag. It is possible add text to copyright page like:
Slovakia: Contains data derived from GK, NLC imagery - GK, NLC; r.2017.
Reporter: kayle [Submitted to the original trac issue database at 10.33am, Monday, 14th May 2018]
We (civic association Freemap Slovakia) have obtained imagery for Slovakia - https://wiki.openstreetmap.org/wiki/WikiProject_Slovakia/Sources
In terms of use is written: "The subscriber is obliged to state the author of the source data when creating his own work and when publishing it in the form " GK, NLC; r.2017.""
We have custom source tag. It is possible add text to copyright page like: Slovakia: Contains data derived from GK, NLC imagery - GK, NLC; r.2017.
Thanks