Operators can deduct the additional allowance for a mine situated in Northern Québec in calculating their annual earnings from a mine if the mine is situated in the Near North or in the Far North and it came into production in reasonable commercial quantities after March 30, 2010.

Operators can deduct the additional allowance for a 36-month period that begins on the date on which the mine comes into production in reasonable commercial quantities.

The maximum amount that an operator can deduct for a fiscal year as an additional allowance for a mine situated in Northern Québec is equal to the least of the following amounts:

• if the mine situated in the Near North, $2 million minus the amounts deducted for previous fiscal years as an additional allowance for a mine situated in Northern Québec;
• if the mine situated in the Far North, $5 million minus the amounts deducted for previous fiscal years as an additional allowance for a mine situated in Northern Québec;
• the annual earnings from the mine before deduction of the additional allowance for a mine situated in Northern Québec, multiplied by the result of the following calculation: the number of days of the fiscal year included in the 36-month eligibility period divided by the number of days in the fiscal year.