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Testing and certification bodies according to § 5 paragraph 3 of the Chemicals Climate Protection Ordinance Recognition

For certain work on e.g. refrigeration or air conditioning systems, certificates of competence are required for the personnel carrying out the work. These certificates are issued after passing the exam. Companies wishing to carry out tests or issue certificates must be recognised by the competent authority.

Process flow

Submit an application to the competent authority. The latter will ask them to submit the required documents.

Who should I contact?

The responsibility lies with the State Trade Inspectorate Celle.

This procedure can also be handled by a "Point of Single Contact". The "Point of Single Contact" is a special service offered by the municipalities and the state for service providers.

Find your Point of Single Contact here


They have appropriate resources, materials and personnel to carry out training events, conduct examinations and issue certificates.

Which documents are required?

No documents are required.

What are the fees?

Fees are charged in accordance with Annex 1 to § 1 paragraph 1 of the General Fee Schedule of the State of Lower Saxony (AllGO) in accordance with No. 21.6.1.

The costs depend on the time spent, but at least € 300.

The current version of the Ordinance on Fees and Expenses for Official Acts and Services (General Fee Schedule - AllGO-) valid in Lower Saxony can be found at:

What deadlines do I have to pay attention to?

There are no deadlines to be observed.

Processing duration

Processing Time: 3 Months


An objection is possible. (see NJG §80 (2) No. 4 g)

Technically approved by

Lower Saxony Ministry for the Environment, Energy, Building and Climate Protection

Source: Serviceportal Niedersachsen (Linie6PLus)