BASE DATE RENT Insufficient Proof of Base Date Vacancy March 31, 2010 No Overcharge Where Apartment Deregulated on Base Date January 1, 2010 Apartment Was Owner-Occupied on Base Date January 1, 2010 Did Building Super Occupy Apartment on Base Date? April 30, 2009 Base Date Rent Is Rent Collected, Not Registered Rent March 1, 2009 Older Rent Records May Determine Overcharge Wasn't Willful December 1, 2008 Landlord Can't Use Prior Records to Prove Base Date Rent May 31, 2008 Base Rent Is First Rent Charged After Base Date Vacancy March 31, 2008 Next Rent Is Base Rent Where Apartment Vacant on Base Date February 1, 2008 Base Date for Overcharge Claim February 1, 2008 DHCR Default Method Used to Calculate Overcharge January 1, 2008 Insufficient Proof of Base Date Rent December 1, 2007 first previous 1 2(current) 3 4 5 next last