Start of the period	End of the period	Due date
March	2014-01-01	2014-03-31	2014-04-15
June	2014-04-01	2014-06-30	2014-07-15
September	2014-07-01	2014-09-30	2014-10-15
December	2014-10-01	2014-12-31	2015-01-15