Nowadays dynamism of organizations and administrative systems doesn’t only depend on updating technology, changing structures and adding capital’ although these factors are important, but the thing that has axial role at excellence of organizations and says the first speech is human. Organizational citizenship behavior is one important factor that is effective at success of current organizations. Different factors are effective for presenting this behavior by staff, but in this research the effect of organizational commitment and transformational leadership on this behavior has been considered. Therefore the main goal of this research is considering the effect of dimensions of social exchange on organizational citizenship behavior of staff of Maskan bank in Guilan province (Iran). Sampling method is clusterrandom sampling. Current research is applied research and regarding classification of research based on the way of data collection it is descriptive research. Tools of data collection are standard questionnaire. For considering research hypothesis structural equation modeling was used by Lisrel software. The result of research denotes positive and meaningful effect of transformational leadership, affective commitment and constant commitment on organizational citizenship behavior of staff of Maskan bank in Guilan province.

Nowadays dynamism of organizations and administrative systems doesn’t only depend on updating technology, changing structures and adding capital’ although these factors are important, but the thing that has axial role at excellence of organizations and says the first speech is human. Organization...