of the security of electronic communications being disrupted. Article 65 Approval of equipment Other terminals than those which fulfil the essential requirements set out in Article 61 and have the CE mark affixed in confirmation may not be placed on the market. The manufacturer or its agent in Iceland must ensure that all equipment placed on the market in Iceland is accompanied by information for users in Icelandic on its intended use, the principal characteristics of the equipment and the obligation of buyers to apply for a licence for wireless equipment. A manufacturer or its agent in Iceland intending to place on the market wireless equipment in frequency ranges where usage has not been co-ordinated in the EEA must notify PTA of such intent with at least four weeks' notice. PTA shall also be sent information on the characteristics of the equipment, including its frequency bands, channel spacing, type of modulation and RF-power. If PTA is of the opinion that there is a risk that the equipment could interfere with other services in the frequency range concerned, the Administration may prohibit its sale and usage. Article 66 Market supervision PTA shall provide market supervision for equipment as provided for in Article 61. To this end, the Administration shall have unlimited access to sales outlets for such equipment. If equipment which does not fulfil the essential requirements provided for in this Act is placed on the market, PTA may demand that its sale and use be immediately suspended and the equipment impounded. PTA may require a manufacturer or its agent to provide it with itemised information and drawings of equipment which it plans to place on the market. Such information shall be treated as confidential. The Minister of Communications shall issue a Regulation on market supervision of terminals and wireless equipment. CHAPTER XIII Qualifications for work on electronic communications facilities Article 67 Requirements of company employees Electronic communications undertakings shall ensure that their employees who work on setting up and maintaining electronic communications facilities have received the necessary training. Electronic communications undertakings shall inform their employees of the obligations which they bear in accordance with this Act. The Minister of Communications may issue a Regulation on the qualifications required of persons working on public electronic communications facilities. 28/34