This form of escape route signaling is permitted in the Netherlands according to the regulation on disclosure of the use of ionizing radiation of 18 December 2002 Ministry of Housing, Spatial Planning and the Environment reg. no. SAS / 2001144917 No. IA9 and the regulation for consumer articles radiation protection no.SAS / 2001144737. Published in the Government Gazette number 248 of December 24, 2002. Betalux ™ signs are manufactured under ISO 9001 and are provided with pictograms according to NEN 6088 & NEN-EN ISO 7010; comply with the recognition distance and autonomous time of NEN-EN 1838; are tested according to BS-5499 part 2; ANS N540; comply with NFPA Life Safe Code 101 and Directive 92/58 EEC; are UL listed and approved by US-NRC. Of course it is very important that the correct installation location is chosen (see also question 01).