risk retention group
(3) Risk retention group The term “risk retention group” means any corporation or other limited liability association taxable as a corporation, or as an insurance company, formed under the laws of any State— (A) whose primary activity consists of assuming and spreading all, or any portion, of the pollution liability of its group members; (B) which is organized for the primary purpose of conducting the activity described under subparagraph (A); (C) which is chartered or licensed as an insurance company and authorized to engage in the business of insurance under the laws of any State; and (D) which does not exclude any person from membership in the group solely to provide for members of such a group a competitive advantage over such a person.