Such term shall not include a stop-loss policy obtained by a self-insured group health plan or a plan sponsor of a group health plan that self-insures the health risks of its plan participants to reimburse the plan or sponsor for losses that the plan or sponsor incurs in providing health or medical benefits to such plan participants in excess of a predetermined level set forth in the stop-loss policy obtained by such plan or sponsor. . 4. Effect on other laws Section 514(b) of the Employee Retirement Income Security Act of 1974 ( 29 U.S.C. 1144(b) ) is amended by adding at the end the following: (10) The provisions of this title (including part 7 relating to group health plans) shall preempt State laws insofar as they may now or hereafter prevent an employee benefit plan that is a group health plan from insuring against the risk of excess or unexpected health plan claims losses. .