The Guide how to fill in National Annexes or National Data Sheets can now be downloaded directly:
 

Also available (upon request): a file with editable Annexes B of (EN) ISO 52000-1. 52003-1, 52010-1, 52016-1 and 52018-1.

See also the page with examples of filled in National Annexes from individual counries or regions provided to the EPB Center for demonstration.

Or perhaps you are interested in the recording of the webinar February 4, 2020 on this issue?