RLHCPA
 
June 15, 2012, is the due date for making your second installment of 2012 individual estimated tax. Your check to the United States Treasury should be accompanied by Form 1040-ES. June 15 is also the due date for calendar-year corporations to make their second quarter 2012 estimated tax payment.
 
 
June 15, 2011, is the due date for making your second installment of 2011 individual estimated tax. Your check to the United States Treasury should be accompanied by Form 1040-ES. June 15 is also the due date for calendar-year corporations to make their second quarter 2011 estimated tax payment.