An unbraked trailer whose permissible mass does not exceed 750 kg and which has not been previously registered abroad shall be presented by its operator for technical inspection at the latest within a period of:

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6 years after the registration of this trailer and then regularly at intervals of 4 years.

2 years after the registration of this trailer and then regularly at intervals of 2 years.
4 years after the registration of this trailer and then regularly at intervals of 4 years.

What the law says: An unbraked trailer up to 750 kg, category O1, has its first technical inspection within six years of…

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Legal basis: Zákon č. 56/2001 Sb., § 40

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