 Socialist leader Attila Mesterházy denounced what he called "Fidesz's party constitution" and promised to change the constitution "on the basis of a national consensus" following the next elections.László Sólyom, former President of Hungary and of the Constitutional Court, is a critic of limits imposed on the court and of the "common parliamentary wrangling" through which the charter was adopted.The day after New Year's Day 2012, the government held a gala celebration at the Hungarian State Opera House to mark the entry into force of the constitution.