Incumbents are companies that have reported, in compliance with Regulation (EC) No 842/2006, having placed more than 1 metric tonne of HFCs on the Union market in at least one year in the period 2009 to 2012. From 2015, officials conduct an evaluation every three years and give reference values to some undertakings who have applied quotas for three consecutive years.

New Entrants are those companies that have not reported according to Regulation (EC) No 842/2006 in the period 2009-2012. After that, each undertaking registered for the first time is considered as a new entrant.