This is the City of Vaughan Community Services Organization (CSO) Portal. A CSO is a City-approved, Vaughan-based, not-for-profit community organization run by an elected and volunteer board of directors whose prime purpose is to provide recreation, community or leisure services to the residents of Vaughan. Groups must be comprised of 75% residents except in the case of minor sports groups (aged 19 and under) that must be comprised of 90% house league residents. The application requirements, terms and conditions and eligibility criteria are defined in the Community Service Organization (CSO) Policy