From Longman Business Dictionarydelinquent tax certificatedeˌlinquent ˈtax cerˌtificate American English TAXPROPERTYa document representing tax that has not been paid on a property, which can be bought at a reduced price as an investment. The buyer can then pay the tax and get the money from the owner of the property or, if the owner does not pay, take over the property → certificate
