OBS_VALUE: <ul><li><a href=https://wetten.overheid.nl/BWBR0041297/2024-01-01 target=_blank>Building Decree(Besluit bouwwerken leefomgeving, entered into force 2012.  last amended in 2023, Chapter IV, Articles 4.1-4.250)</a></li><li><a href=https://www.nen.nl/bouw/bouwregelgeving target=_blank>Website of the Netherlands Normalisation Office(NEN, Construction Sector )</a></li></ul>