A nonprofit organization (NPO), also known as a non-business entity, not-for-profit organization, or nonprofit institution, is a legal entity organized and operated for a collective, public or social benefit, in contrast with an entity that operates as a business aiming to generate a profit for its owners. A nonprofit is subject to the non-distribution constraint: any revenues that exceed expenses must be committed to the organization's purpose, not taken by private parties. A wide array of organizations are nonprofit, including most political organizations, schools, business associations, churches, social clubs, and consumer cooperatives. Nonprofit entities generally seek approval from governments to be tax-exempt, and some may also qualify to receive tax-deductible contributions, but an