thinking on the horize yoon, poft transfer. it seems that someone in there having been confirmed. only congress could come up with a situation like this that you have to give your implementations bhu there's a nine month study period. when wha implications will this have? >> there's a study which the council has to complete by the first. it will be considerable time after that until any of these rules are in place. there's a two-year conformance period. i don't think that this will be any situation where rule also be put in mace and then it was rescinded. >> manufacture us understood there was a risk here. we were taking a ready fire approach. we wanted to make sure all of you sat down and we would ultimately put into place that mechanism. that was the heart of my question to make sure whatever we were doing was informed by the analysis. it may have lead to a different result if we knew about it beforehand. >> yes, we need to make sure we are adhering to the letter in spirit. i think the legislative history is important. >> thank you. >> i wouldn't expect any of you to come up her