The Canadian federal budget for the 2010–11 fiscal year (April 1, 2010 – March 31, 2011) was presented to the House of Commons of Canada by Finance Minister Jim Flaherty on March 4, 2010 after returning from a two-month prorogued parliament.

[3] During the budget speech on 4 March 2010, Flaherty announced the use of a polymer substrate for the upcoming Frontier Series of banknotes of the Canadian dollar and that future versions of the loonie ($1 coin) and toonie ($2 coin) would be made of steel instead of nickel to reduce manufacturing costs.

[5] The New Democrats and Bloc Quebecois voted against the budget, which passed due to 30 Liberal abstentions.

[6]