Start of the period	End of the period	Due date
March	2015-01-01	2015-03-31	2015-04-30
June	2015-04-01	2015-06-30	2015-07-31
September	2015-07-01	2015-09-30	2015-11-02
December	2015-10-01	2015-12-31	2016-02-01