The CRA has developed a new "infographic" to help charities remember various filing deadlines.  This information can be found at http://www.cra-arc.gc.ca/chrts-gvng/chrts/prtng/rtrn/t3010flng-eng.html#ddt?utm_source=charities&utm_medium=eml  The information includes a colourful chart setting out the deadline for filing a T3010 based on the charity's fiscal period end, set out below.