1. The average wholesale charge that the visited network operator may levy on the roaming provider for the provision of regulated data roaming services by means of the visited network shall not exceed a safeguard limit of EUR 2,00 per gigabyte of data transmitted. That maximum wholesale charge shall decrease to EUR 1,80 per gigabyte of data transmitted on 1 January 2023, to EUR 1,55 per gigabyte on 1 January 2024, to EUR 1,30 per gigabyte on 1 January 2025, to EUR 1,10 per gigabyte on 1 January 2026 and to EUR 1,00 per gigabyte by 1 January 2027, after which, without prejudice to Article 21, it shall remain at EUR 1,00 per gigabyte of data transmitted until 30 June 2032.