If you transport letter items with an individual weight of no more than 1,000 grams commercially for others, you need a permit (license).

The licence shall be refused if facts justify the assumption that:

• the applicant does not have the necessary capacity, reliability or expertise to exercise the licence rights,
• the commencement of an activity subject to licensing would endanger public security or public order,
• the applicant is not insignificantly less than the essential working conditions customary in the licensed area.

A license does not require who

• transports items of correspondence as vicarious agents or vicarious agents of the person to whom a licence has been granted in accordance with paragraph 1,
• transport items of correspondence which are attached to another consignment and which relate exclusively to its contents,
• Letter items in such a way that individual proven items are transported in the interests of fast and reliable
• Transport on the way from the sender to the consignee and the accompanying person has the opportunity to access the individual shipment at any time and to make the necessary dispositions (courier service).