The Norwegian National Annex NS-EN 1992-1-1:2004/A1:2014/NA:2018 code was implemented for reinforced concrete design.
The code is set as default in the relevant regional settings.
This code replaces NS-EN 1992-1-1:2004/A1:2014/NA:2008.
See Steel Code EC3
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Design Codes, click the arrow next to RC structures to see a drop-down list of available codes.