Sections 54.9801-1 through 54.9801-6 , 54.9831-1 , and this section are applicable for plan years beginning on or after July 1, 2005. Notwithstanding the previous sentence, the definition of "short-term, limited-duration insurance" in § 54.9801-2 applies October 2, 2018.
26 C.F.R. §54.9833-1