option of defect is one of common options between sale and rent contracts, however, it has special rules and conditions in those contracts. in the sale contracts, any defect in the sold or bought thing causes the victim has option of defect but in the rent contracts, only the defect creates option of defect that causes hardship in using of goods or reducing of benefits. in the sale, defect of s...

petroleum upstream service contracts possess different aspects of legal, contractual, fiscal, economic, technical and environmental nature. in this research, efforts have been made to review one of the aspects of the petroleum upstream contracts which have been far too little considered, namely the fiscal system of upstream service contracts. since every service contract possesses its own indep...

option contracts are one of the most important financial instruments which have been recently considered as a vehicle for management of risks and development of capital market. in iran, the importance of option contracts is increasingly recognized in the capital market. in this article the legal aspects of option contracts will be examined. for this purpose the views of islamic jurists and lawy...