(1) The ban against a benefit that defers compensation by permitting employees to carry over an unlimited amount of unused elective contributions or plan benefits from one plan year to another plan year.
(2) The requirement that the maximum amount of reimbursement must be available at all times during the coverage period.
(3) The mandatory 12-month period of coverage.
(4) The limitation that reimbursed medical expenses must be incurred during the period of coverage.2