Prohibits the sale of tax liens by a tax district in a city with a population of one million or more

This bill prohibits tax districts in New York City (population over 1 million) from selling delinquent tax liens. It amends New York State tax law and New York City's administrative code to ban these sales, effective January 1 after enactment. The law directly affects NYC's tax collection practices by preventing the sale of unpaid property tax debts to private entities or the state bond bank. This is a specific policy change targeting tax lien sales in the largest city, with no exceptions for municipal collection methods.