voluntary basis with one or more critical infrastructure sectors, in coordination with the Sector Risk Management Agency and the sector coordinating council of each participating sector. (II) Termination If the Director proceeds with the pilot assessment described in subclause (I), such pilot assessment shall terminate not later than two years after the date on which the Director begins such pilot assessment. (iii) Reports (I) Study Not later than 180 days after the date on which the Director completes the study conducted under clause (i), the Director shall submit to the appropriate congressional committees a report that— (aa) summarizes the study