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Advanced training event for the acquisition of expertise according to the Chemicals Ozone Layer Ordinance: Recognition

Anyone who wants to carry out certain work on facilities or devices containing ozone-depleting substances must meet personal requirements for certain work in accordance with § 5 paragraph 1 of the Chemicals Ozone Layer Ordinance (ChemOzonSchichtV). The required expertise is proven, among other things, by participating in a training event.

This training event must be recognised by the competent authority.

Who should I contact?

The responsibility lies with the State Trade Inspectorate of Celle.

This procedure can also be handled through 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


A training event to be recognised must impart the knowledge required for the respective area of responsibility. This includes knowledge of

  • Plant engineering,
  • the relevant regulations, directives and generally accepted rules of technology, and
  • the essential properties of the substances and preparations/mixtures concerned and the hazards associated with their use.

Which documents are required?

No documents are required.

What are the fees?

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

Annex 1 to § 1 paragraph 1 General Fee Schedule (AllGO)

What deadlines do I have to pay attention to?

Deadlines may have to be observed. Please contact the competent authority.

Processing duration

Processing Time: 3 Months
§ 5 paragraph 5 sentence 1 Chemical Ozone Layer Ordinance (ChemOzonSchichtV)

Technically approved by

Lower Saxony Ministry of the Environment, Energy and Climate Protection

Source: Serviceportal Niedersachsen (Linie6PLus)

Further Links

Single points of contact of the state of Lower Saxony, Single points of contact of the countries of Europe, advice and assistance for EU citizens and their families.