نگاهی به صحت عقد نکاح در صورت بطلان مهرالمسمی یا عدم صحت از نظر فقهی

The marriage contract is not a bilateral contract. But the marriage portion isfix, the marriage contract or after it, the marriage portion which specified,must have the essential elements of validity contract. Although, provision1100 of civil law, imply the necessity of existence of these terms, and thedifference effect of lack them in desert wife toward marriage portion, butdidn’t specified the all terms. With the consideration of the silence of civillaw, we will study of these terms and the effect of deprivation of each inmeasure of desert wife with consider of legal principle and the base enact ofthis provision.Keywords: Marriage Settlement, Marriage Portion, Substitute, Nullityof MarriageG