This is a translation of the Executive Order on electrical equipment and electrical protective systems for use in a potentially explosive atmosphere.
In any case of misinterpretation between the translated version and the Danish version, the Danish version has legal force.

Executive Order no. 289 of 17/03/2016 (In force)

In pursuance of Section 5, paragraph 3, and Section 34, paragraph 2, of Act no. 525 of 29 April 2015 on the Safety of Electrical Plant, Electrical Installations and Electrical Equipment (the Electrical Safety Act), the following is established:

The Danish Tattooing Legislation requires all tattooing establishments to register at the Danish Safety Technology Authority.