Definitions
As used in this subchapter—
Insurance
Pollution liability
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—
whose primary activity consists of assuming and spreading all, or any portion, of the pollution liability of its group members;
which is organized for the primary purpose of conducting the activity described under subparagraph (A);
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
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.