Officials announced Saturday that they were extending a deadline to file for an exception to the city's new pied-à-terre tax. Pied-à-terre tax exemption extensionWhat we know:The deadline to apply for an exemption has been pushed back from Aug. 21 to Sept. 18, and applies to homeowners who previously received a letter from the Department of Finance, saying that they might be subject to the new surcharge. Featured article"The pied-à-terre tax is an important new tool to help our city collect the revenue we need for safer streets, cleaner parks, and other critical investments across the five boroughs," said Mayor Zohran Mamdani. What is New York City's pied-à-terre tax? The backstory:The pied-à-terre surcharge targets the owners of luxury properties who don't use those homes as their primary residence.