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Working Income Tax Benefit (WITB) - Calculation sheet for married/common‑law couples with children - For residents of Quebec (2010 tax year)

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You can also use our WITB calculator.

Calculation of WITB

Family working income 1 $  
Subtract base amount 2 $ − 3,600.00
Family working income over base amount
(line 1 minus line 2. If negative, enter $0.)
3 $  
WITB (line 3 × 8% (or $937.12, whichever is less)) 4 $  

Calculation of WITB reduction

Adjusted family net income (Does not include any Universal Child Care Benefit or Registered Disability Savings Plan amounts received or repaid) 5 $  
Subtract base amount 6 $ − 16,291.49
Adjusted family net income over base amount
(line 5 minus line 6. If negative, enter $0.)
7 $  
WITB reduction (line 7 × 20%) 8 $  
WITB entitlement
(line 4 minus line 8. If negative, enter $0.)
9 $  

Calculation of WITB Disability Supplement

Individual working income 10 $  
Subtract base amount 11 $ − 1,200.00
Individual working income over base amount
(line 10 minus line 11. If negative, enter $0.)
12 $  
WITB Disability Supplement
(line 12 × 20% (or $480.00, whichever is less))
13 $  

Calculation of WITB Disability Supplement reduction

Adjusted family net income 14 $  
Subtract base amount 15 $ − 20,977.09
Adjusted family net income over base amount
(line 14 minus line 15. If negative, enter $0.)
16 $  
WITB Disability Supplement reduction (line 16 × 20%) 17 $  
WITB Disability Supplement entitlement
(line 13 minus line 17. If negative, enter $0.)
18 $  

Calculation of your total WITB entitlement

Total WITB entitlement (line 9 plus line 18) 19 $  
WITB advance payment entitlement (line 19 × 50%) 20 $