determination of the department of building inspection, when you know, a new cfc will be required and a new cpc may be required any way for this building as it is. and it may be what is proposed now and so i don't know that removing a bit more of the wall would matter for that purpose. but, the existing building was a single family dwelling and so it would not have been subject to the rent control any way. i mean a single family dwelling and are subject to rent control if there was a occupant prior to 1996 that had been. >> how does it apply if the building was built prior to 1978, and turned into a two unit building. >> is that on the original year build or on the construction date? >> that is a question for the rent board, in this case, it is, you know, i think that this has limited amrikbility and it is not a clear cut case, if it was a two unit building, built prior to 78 i think that will be a bit more clear cut, but given that it is a single family dwelling, going to a two unit building i can't say, how... >> and we will have to peel it one layer at a time, right? >> many layers. >> thank