It seems to be known as F-gas known or CE 517/2014 and its effect in europe right now is about phasing out the most harmful fluorine based gas, (going from R-41

It seems to be known as F-gas known or CE 517/2014 and its effect in europe right now is about phasing out the most harmful fluorine based gas, (going from R-410A to R-32) and mandating regular maintenance and forbidding installation of heat pumps by non qualified individuals (to prevent leaks)