Limited combinations of BT-811(a) and BT-811(b)
Will there be a rule that restricts the possible combinations of BT-811(a), that indicates the basis for caluclating the energy efficiency, and BT-811(b) with a code for product, work or service covered by The Ecodesign Directive, Regulation 2020/740, European Union green public procurement criteria or Buildings covered by the obligation in Article 7 EED ?
Edited by Rolf KEWITZ