On July 1, 2023, ČP bumped the cost of mailing a letter to CZK 27 for a standard letter and CZK 34 for a priority letter. This was the third price hike in the past eight months from ČP, following similar increases in November and February. In 2022, the price of sending a standard letter was CZK 19, and a priority letter was CZK 26.