The Vehicle Type-approval and Testing Department (ZBH) has a test laboratory accreditation certificate confirming compliance with the requirements of the PN-EN ISO 17025:2018-02 standard. The scope of accreditation is specified on the website of the Polish Centre for Accreditation.

The Department performs research and expert work in the field of type-approval tests of the vehicle type, its equipment and parts, as well as those of the production conformity with the type-approved type. 

The activities conducted include, in particular: 

• type-approval tests of vehicles of all categories and authorization of such tests performed by other duly authorized units; 
• type-approval tests of vehicle equipment and parts in accordance with the technical competence of the Department and authorization of such tests performed by other duly authorized units;
• testing of vehicles for individual approval and one-off- approval; 
• creating and developing draft regulations and type-approval standards, taking into account their international equivalents; 
• issues of international homologation in the UNECE and EU systems; 
• control issues of production conformity with the approved type; 
• consultations and expert opinions. 

The department is divided into four laboratories: 

• Mechanical Testing and Gas-Powered Vehicles 
• Static Vehicle Testing 
• Vehicle Dynamic Tests 
• Photometric research