1. For each critical ICT third-party service, the annual oversight fee for a given year (n) shall be the overall annual costs estimated referred to in Article 1 adjusted by the turnover coefficient referred to in paragraph 2 based on its applicable turnover for the year n-2.
2. For each critical ICT third-party service provider, the turnover coefficient shall be based on the applicable turnover referred to in Article 2 and shall be calculated as follows:
\mathrm{Turnover~coefficient~in~year~(n)} = \frac{\mathrm{applicable~turnover~of~critical~ICT~third~party~service~provider~concerned~in~year~(n-2)}}{\mathrm{applicable~turnover~of~all~critical~ICT~third~party~serviceproviders~in~year~(n-2)}}
3. In no case shall the critical ICT third-party service provider pay an annual oversight fee that is less than EUR 50 000.