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The using of applicable model of budgeting for effect activity of rules and auxiliaries in the annual budget has been special important.
This paper tried to presentation of models for optimization of allocation of credits in the "a" article of 6 auxiliary of budget in the towns of province .In this paper importance and quantity of criteria of allocation provincial Infra structure credits to-towns and gap between status queue of towns to aspiration level or galling of fifth program of development will be attention .Needing budget of any towns also will be accounting and with proposed pattern of ratio stable distance of credit allocation between towns.
This model will be formulation based on the data's of year of 1381 in management and planning organization of khorasan province finding of model will be compare with finding of current method user of organization (ratio per rate) and showing that current method of organization is not optimize.