An ulcer of the jejunum occurring after gastroenterostomy. The American HeritageÂ® Stedman's Medical Dictionary Copyright Â© 2002, 2001, 1995 by Houghton Mifflin Company.
These are the quarterly estimated tax payment due dates for calendar year 2015: April 15, 2015: Not only is this the income tax due date, itâs the due date for your first quarterly estimated tax payment.
The dates quarterly payments are due by fall on or around the middle of the months of April, June, September, and January. For the 2016 tax year, estimated tax payments are due April 18, 2016; June 15, 2016; September 15, 2016; and January 17, 2017. If you donât make quarterly estimated tax payments and are required to, the IRS will hit you with an underpayment penalty.