(a) No risk, as determined by reserves for unearned premiums, nor any reserve for unpaid losses nor any loss adjustment expenses shall exceed 10% of the life insurance company's total capital and surplus as of the end of the preceding year or impair the dedicated capital and surplus as defined in §7.1203(B) of this title (relating to Financial Requirements).(b) No part of any risk assumed or accepted by a life insurance company according to this regulation may be retroceded or further reinsured in any manner without receiving prior written approval of the commissioner of insurance.