Suitability as an expert body according to the Heating Cost Ordinance, proof

Heat cost allocators for recording the proportionate heat consumption may only be used if they comply with the recognised rules of technology or if their suitability has been proven in another way. Expert bodies shall be responsible for testing and confirming the suitability of the types of distributors.

Natural and legal persons may act as expert bodies, whose suitability as an expert body is officially confirmed. You must apply for this confirmation and prove your suitability.
 

to the Hessian Directorate of Weights and Measures

You can also complete the procedure electronically via the Point of Single Contact.

A separate platform has been developed for online applications. On the so-called service platform you can submit your applications electronically and much more! You are welcome to get your own impression of the application in advance without registering beforehand. To do this, use the simulation. In order to make full use of the online application, you must first register with the online application process.
 

Online application procedure of the Point of Single Contact Hesse

The application for confirmation of suitability as an expert body must be submitted in writing to the competent body.

In cooperation with the Physikalisch-Technische Bundesanstalt, it will check your suitability and, if necessary, issue a certificate of proven suitability.