The type of economic institution works to provide services to a community and does not pay taxes will be non-profits. These include the Red Cross or churches, which provide for the community, but is tax-exempt.
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Article One of the United States Constitution establishes the legislative branch of the federal government, the United States Congress. ... Article One's Vesting Clause grants all federal legislative power to Congress and establishes that Congress consists of the House of Representatives and the Senate. - Wikipedia