Article 3 Certification of natural persons

Category I certificate holders may carry out all the activities provided for in Article 2(1),

Category II certificate holders may carry out the activities provided for in point (a) of Article 2(1) provided that it does not entail breaking into the refrigeration circuit containing fluorinated greenhouse gases. Category II certificate holders may carry out the activities in points (b), (c), (d) and (e) of Article 2(1) in relation to equipment referred to in Article 1 containing less than 3 kilograms of fluorinated greenhouse gases, or, if hermetically sealed systems which are labelled as such are concerned, containing less than 6 kilograms of fluorinated greenhouse gases,

Category III certificate holders may carry out the activity provided for in point (b) of Article 2(1) in relation to equipment referred to in Article 1 containing less than 3 kilograms of fluorinated greenhouse gases, or, if hermetically sealed systems which are labelled as such are concerned, containing less than 6 kilograms of fluorinated greenhouse gases,

Category IV certificate holders may carry out the activity provided for in point (a) of Article 2(1) provided that it does not entail breaking into the refrigeration circuit containing fluorinated greenhouse gases.

brazing, soldering or welding of parts of a system or piece of equipment in the context of one of the activities referred to in Article 2(1), which hold the qualification required under national legislation to undertake such activities, provided that they are supervised by a person holding a certificate covering the relevant activity who is fully responsible for the correct execution of the activity,

recovery of fluorinated greenhouse gases from equipment covered by Directive 2012/19/EU of the European Parliament and of the Council^f1 with a fluorinated greenhouse charge of less than 3 kilograms and less than 5 tonnes of CO₂ equivalent, in premises covered by a permit in accordance with Article 9(1) and (2) of that Directive, provided that they are employed by the company holding the permit and have completed a training course on the minimum skills and knowledge corresponding to Category III as set out in Annex I to this Regulation verified by an attestation of competence issued by the permit holder.

they are enrolled in a training course for the purpose of obtaining a certificate covering the relevant activity, and

they carry out the activity under the supervision of a person holding a certificate covering that activity who is fully responsible for the correct execution of the activity.