This study focussed on how to protect and achieve the benefit for contractor after the conclusion .The debtor abligated to do his commitment by himself however he waived or contracted with another one by depending on first contract.The study delt with effect of the contract if the needs of contract affected with person or something dependon objects or conditions therfor the researcher relied on the evalution and qualifying the legal text which used in the research to be in the right way and deleted any deformity hence ,he should be suggested the approparite legal text inorder to supply. fully The research consisted of two parts.The first part specified the general side of waiving contract and sub-contracting in the personal consideration contracts . The second one explicited the waiving judgement of the contract and the sub-contracting in the personal consideration contract .At last the researcher clearified the results and wills for Iraqi legislature
Mohmmad et al. (Fri,) studied this question.