periodic payment
(6)For purposes of this subsection, the term “periodic payment” means any payment (whether on a periodic basis or otherwise) made without regard to the extent of the costs incurred by the payee for qualified long-term care services. (e)Except as otherwise provided in regulations prescribed by the Secretary, in the case of any long-term care insurance coverage (whether or not qualified) provided by a rider on or as part of a life insurance contract or an annuity contract—