dr. golsorki, which interestingly enough were produced by millennium. our first hearing, i was like this is kind of interesting. we asked these questions, we never got any responses weish shooed a final certificate of occupancy, indeed we had gotten a response but i labored the last couple years under the impression the way at least a lay person would read this is no, the building was not tilting. but now if i have learned one thing, it's actually there was one data point and you can't tell anything from that data point. mr. tom, do you want to respond to that? >> good morning, supervisors, ron tom, building inspector at the department of inspection. the department prior to changes and implementation what we categorize s 18 for tall buildings did not keep or maintain records for settlement. in fact, settlement, if it manifest itself in neighboring properties or within the property itself could be brought to our attention and we would administer the process to do an investigation and require certain parties, professionals, the designers to provide is a r