5. The competent authority shall hold a register with information on each medium combustion plant including the information listed in Annex I and the information obtained pursuant to Article 9. Existing medium combustion plants shall be included in the register from the date of registration or from the date when granted a permit in accordance with this Directive. The competent authority shall make the information contained in the register available to the public, including via the internet, in accordance with Directive 2003/4/EC.