Report Abuse. Helium has no Oxygen in it so when you breath the Helium in you are replacing the Oxygen in your lungs with something that will not do you anygood. When it gets in your blood stream the oxygen that your body needs isnt there anymore (especially your brain) and things start to shut down.ust one breath in of helium can do damage and kill so many brain cells although you may not get side-effects until maybe the next day. Helium is very sensitive and can cause major headaches that can turn into a migrain.
Payment due dates. Estimated tax payments are due quarterly, as follows: Calendar year filers: April 15, June 15, September 15, and December 15. Fiscal year filers: The 15th day of the 4th, 6th, 9th, and 12th months of your fiscal year.
Corporation due dates Oregon corporation returns are due on the 15th day of the month following the due date of the federal return. Oregonâs C corporation return due dates have changed because of changes to the due date of federal C corpora-tion returns, which moved federal due dates one month forward. For calendar year filers, the due date for 2016 Oregon C corporation returns is May 15, 2017. Note: S corporation due dates havenât changed. For S cor - porations that file on a calendar year basis, the Oregon due date is April 17, 2017. For S corporation fiscal year filers, the due date is the 15th day of the month following the federal due date.