The provision of Article 1 of the Constitution that the State of Lithuania is an independent democratic republic may only be amended by a referendum in which at least three- fourths of the electorate of Lithuania vote in favour thereof.
The provisions of Chapter 1 ("The State of Lithuania") and Chapter 14 ("Amending the Constitution") may be amended only by referendum.
Amendments of other chapters of the Constitution must be considered and voted upon in the Seimas twice. There must be a lapse of at least three months between each vote. Bills for constitutional amendments shall be deemed adopted by the Seimas if, in each of the votes, at least two-thirds of all the members of the Seimas vote in favour of the enactment.
An amendment to the Constitution which is rejected by the Seimas may not be submitted to the Seimas for reconsideration for the period of one year.
