The CP is functionally distinct---sunsetted legislation is substantively different than permanent legislation.
JOHN E. FINN, Professor of Government, Wesleyan University. PhD. Princeton University, ’10, “Sunset Clauses and Democratic Deliberation: Assessing the Significance of Sunset Provisions in Antiterrorism Legislation” 48 Colum. J. Transnat'l L. 442 2009-2010
In sum, the benefits of sunset clauses as elements of statutory design generally fall into three categories-deliberative, informational and distributive. This suggests strongly we should expect to see sunset clauses in policy environments dominated by informational uncertainty, risk (both social and electoral) and typified by a high potential for political conflict regarding the allocation of power. In addition, because sunset clauses "allocate transaction costs differently than permanent legislation," 29 we should expect sunsetted legislation to be substantively different than legislation that would otherwise result. This is because "legislators perceive (accurately or not) temporary legislation differently. ' 30