Corporation Counsel Michael Cardozo served under Mayor Michael Bloomberg during his 12-year tenure.
In a brief filed in state court, the mayor's office says state law preempts the City Council's law.
The city will file a notice of appeal Friday against Monday's stop-and-frisk decision.
Chenin Duclos, 32, is suing the city after she shot near the Empire State Building on Aug. 24.
Comptroller John Liu says the city is at risk of paying more money if the case is not settled.
In an appeal hearing Thursday, the city said it is not obligated to force drivers to buy accessible cabs.
One Sutton Place South has reached an agreement with the city to transform its private backyard into a new 10,000-square-foot waterfront park, city officials announced Tuesday.
Michael Cardozo, the city's top attorney, will argue for judicial salary increases on Wednesday.
The city has rejected a federal judge's alternative hiring practices designed to combat racial discrimination in the FDNY.
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