The Synod of the ELCI, has a legislative period of four years, and it is the sovereign body of the ELCI, which discusses and decides on all matters of ecclesiastical life. The duties are defined in Article 18 in the Constitution of ELCI. The Synod provides voting rights for the following members:
Also part of it, but without the right to vote, the Chairperson of the Board of Auditors, the Board of Mediators and the Technical and Financial Commissions. The Presidency of the Synod led by the President and Vice-President, whose duties and responsibilities are described in Art. 20. of the Statute of the ELCI. They are elected for four years, with the possibility of re-election.