However, the amendment of certain basic features such as the clauses on language, religion, and reference to Sri Lanka as a unitary state require both a two-thirds majority and approval at a nationwide referendum.
然而若要修改基本支柱，例如关于语言、宗教和斯里兰卡作为单一制国家的条款，则需要三分之二多数通过并在全国公民投票中获得批准。