Trust, Mortgage, Permission, Quran and sonnah, Requirements of a contract.

imultaneous Contractual Rights & Obligations Cession is a modality that an entity delegates or transfer his contractual circumstances to the third party as the party to the covenant it means he surrogates him in terms of enjoyment of rights and liability for commitment performance indeed the touchstone for transferability of contractual rights and obligations is focused on viability of contract (in contrasting with spontaneous) according to the traditional viewpoints, while it is evident that touchstone of existence and nonexistence of rights and obligations are counted impersonal by comparative reviewing the international documents and analysis of relevant legal essences, as a result the confusion concerning the issue of rights and obligations devoid of any standing on merchandise international sale convention (which it is mute in the discussed background) is baseless, moreover the issue of contractual rights and obligation cession defined as finite contract within framework of assignment contract, whereas it is logical to assume the cession in scope of infinite contract by establishing the course of analyzing the assignment essence and cession qualifications, hence presentation of those perspectives bring about significant practical outcomes for correction of case law in compatible with the latest revision of international documents moreover it could be effective for creation of domination in law refinement as well.