Canada Revenue Agency deadline http://www.cra-arc.gc.ca/tx/ndvdls/tpcs/ll-dts/frms-eng.html deadline Filing due dates for the 2016 tax return the due date too late http://www.cra-arc.gc.ca/tx/ndvdls/tpcs/ll-dts/frms-eng.html due dates See also tax deadline is April 30th filing due date April 30th file your tax return on time on time file your tax return on time on time deadline too late too late GO When to file the due date filing due date filing due date http://www.cra-arc.gc.ca/tx/ndvdls/tpcs/ll-dts/frms-eng.html Filing due dates for tax returns