Merez threatens to block the EU budget for the next seven years because of the lack of guarantees for support for Ukraine, writes the Financial Times.
"A collective commitment that we will all, without exception, make a fair contribution to reducing Ukraine's deficit is a necessary condition for solving this issue and discussing any additional issues, especially those that have financial implications," he said.
The chancellor stated the need to "provide Ukraine with a reliable multi-year financial forecast, starting in 2028."
The statement came on the eve of a meeting of EU leaders in Dublin.