All telecommunications equipment that is offered or placed on the market must bear the following indications:
- type designation, series, serial number or other appropriate information so that it can be unambiguously identified;
- the name, the company or the registered trade mark of the manufacturer and the postal address where he can be reached;
- if applicable the name, trading name or registered trade mark of the importer and the postal address where he can be reached, if the manufacturer is not established in Switzerland (if this is not possible, this information shall be applied to the packaging of the equipment or included in an accompanying document).
- Conformity mark;
- if applicable identification number of the conformity assessment body.
These indications must be affixed in a permanent manner and must be easily visible.