This part contains rules governing the performance of actuarial services under the Employee Retirement Income Security Act of 1974, hereinafter also referred to as ERISA. Subpart A of this part sets forth definitions and eligibility to perform actuarial services; subpart B of this part sets forth rules governing the enrollment of actuaries; subpart C of this part sets forth standards of performance to which enrolled actuaries must adhere; subpart D of this part is reserved and will set forth rules applicable to suspension and termination of enrollment; and subpart E of this part sets forth general provisions.