Do you live in a rent-stabilized apartment in New York City? Have you been surprised by substantial increases in your rent? Do you believe the increases might be more than what is legally allowed? The Times wants to hear from you. We are seeking to hear about tenants' experiences as part of our coverage on housing in the city. The information you provide on this form will be sent to a reporter or editor, who may follow up with you to learn more about your rent situation.