But a three-fifths majority in Parliament's lower house would also have to approve the Senate's request for the court to deal with the case. That's unlikely to happen because the house is dominated by Prime Minister Andrej Babis' ANO (YES) centrist movement, Zeman's ally.

The Senators charged Zeman with failing to act in line with the constitution in eight cases, including a repeated failure to appoint proposed government ministers. If the court agrees with the charges, Zeman would lose the presidency, a largely ceremonial job.