The legal basis for the repair of tubeless tires is provided by §36 StVZO (BMV/StVZO 13/36) .

In 2000, the legislature issued new guidelines for the Federal Republic of Germany

1. The assessment of tire damage to pneumatic tires and

2. Eliminate the repair of pneumatic tires.

They describe whether a tire can be repaired and how the tire should be repaired. The guideline is used throughout Europe to assess tire damage and repair it correctly.

• Each tire must be removed from the rim prior to repair to analyze the damage and carry out the repair . Exceptions are tires
  which show damage which is clearly recognizable as purely external damage to the tire and can be repaired from the outside without dismantling, as well as tires on commercial vehicles with a maximum speed of no more than 40 km/h determined by the design
• Before the repair, the tire must be examined to determine whether it is worth repairing
• Depending on the type of damage , only suitable repair materials should be used in accordance with the instructions of the manufacturer of these repair materials
• Damage to tires that have been treated with roadside assistance cannot be repaired.
• Inserting a tube without repairing the tire damage is not permitted

A pre-vulcanized rubber body in connection with a repair plaster can also be used to fill the hole channel of puncture wounds in the tread area.

The following also applies:

• Motorcycle tyres: Puncture wounds on motorcycle tires can be repaired up to a maximum of 6 mm in the tread area using combination repair tools.
• Tires on cars and their trailers: In the tread area , puncture wounds can be repaired up to a maximum of 6 mm using combination repair tools.
• C tires and tires with a load capacity index of less than 122 on commercial vehicles and their trailers: In the tread area , puncture wounds can be repaired up to a maximum of 6 mm damage using combined repair bodies.
• Tires with a load capacity index greater than or equal to 122 on commercial vehicles and their trailers: In the tread area , puncture wounds can be repaired up to a maximum of 10 mm damage using combined repair tools.

The CoPrA tire repair system meets all the requirements of §36 StVZO.