A New Look at the "will to a Third (sols)" Order

In jurisprudence and civil law, the will's effec over more than a third is subject to the permission of the heirs. This is while heirs’ permission has been the subject of dispute in jurisprudence and the civil code. This article adopting an analytical descriptive method and using library resources seeks to answer the question of whether or not increasing the Will more than a third and also its subjecting to the permission of the heirs are Toghifi or Taabodi; or it can be regarded as a case-law and depending on the economic, l and emotional conditions of the heirs, as well as the number of them and based on what has been willed.