If you don't have the paperwork from 15 years ago when you deregulated a unit, when the rent was $900, and now you're charging $6,000 He didn't need to finish the sentence, because rent-stabilized owners know exactly what he's talking about: the risk of having to pay a tenant years' worth of overcharges because they can't document renovations that removed a unit from stabilization, back when that was allowed.
"The Greenbelt-related appeals offer a clear example and cautionary tale about the consequences of inadequate recordkeeping. When key government decisions are not properly documented, transparency suffers, and with it, public trust."