Request for Loss Carryback T1A

  • Use this form to request a carryback of a loss from 2024 to any of the three previous tax years. Attach the completed form to your 2024 income tax and benefit return or to your request for an adjustment and send it to your tax centre. You can also send the form on its own. For tax centre addresses, go to canada.ca/cra-offices.
  • You cannot carry back a loss to reduce any late-filing penalty for the year to which the loss is being applied.
  • You cannot carry back losses of a limited partnership.
  • Fill in only the parts that apply to you, and sign the certification part.
  • For more information on losses, see Interpretation Bulletin IT-232, Losses - Their Deductibility in the Loss Year or in Other Years.

Part 1 - Identification
       
Name Social insurance number (SIN)
Address
 

Part 2 - Non-capital loss for carryback

Enter the amounts without brackets.

If you have an amount on line 22400 of your return, deduct the amount against your investment income or loss, or your partnership (limited or nonactive partners) income or loss, whichever applies. Do not deduct the amount twice.

                 
Calculating income and loss
  Income     Loss  
Employment income or loss (lines 10100 and 10400 minus lines 20700, 21200, 22900, and 23100)
Investment income or loss (lines 12000 and 12100 minus line 22100) + +
Partnership (limited or non-active partners) income or loss (from line 12200) + +
Rental income or loss (from line 12600) + +
Business income or loss (from line 13500) + +
Professional income or loss (from line 13700) + +
Commission income or loss (from line 13900) + +
Farming income or loss (from line 14100) + +
Fishing income or loss (from line 14300) + +
Taxable capital gains (from line 12700) +
Capital gains reduction (from line 12701) +
Non-taxable income (from line 14700) +
Net capital losses of other years (from line 25300) (see note 1) . +
Capital gains deduction (from line 25400) +
Business investment loss (from line 21700) +
Canadian Armed Forces personnel and police deduction (from line 24400) +
Security options deductions (from lines 24900 and 24901) +
Other payments deduction (from line 25000) +
Income exempt under a tax treaty, adult basic education tuition assistance, and deduction for employees of prescribed international organizations (the part included on line 25600) +
Income from other sources (from lines 11300, 11400, 11500, 11600, 11700, 11900, 12500, 12800, 12900, 12905, 12906, 13000, and 13010) +
Total =  A  =  B 
     
Note 1: If the taxpayer is deceased, see Guide T4011, Preparing Returns for Deceased Persons.
 
2

Part 2 - Non-capital loss for carryback (continued)
                 
Calculating non-capital loss for carryback
Total loss from amount B  C 
Total income from amount A  D 
Total of amounts from lines 20800, 20805, 21000, 21300, 21400, 21500, 21900, 22000, 22200, 22215, 22300, 23200, and 23500 (except amounts in note 2) -  E 
Subtotal (if negative, enter "0") =   -  F 
Subtotal: Amount C minus amount F (if negative, enter "0") =  G 
Loss from farming or fishing  H 
Income from farming or fishing -  I 
Subtotal: Amount H minus amount I (if negative, enter "0") =  J 
The lesser of amount G or J -  K 
Total non-capital loss for the year available for carryback: Amount G minus amount K (if negative, enter "0") =  L 
Non-capital loss to be applied to 2021 66250
Non-capital loss to be applied to 2022 66260 +
Non-capital loss to be applied to 2023 66270 +
Subtotal: Add lines 66250, 66260 and 66270. The subtotal cannot be more than amount L =   -  M 
Balance of non-capital loss available for carryforward: Amount L minus amount M =
     
Note 2: The following amounts will reduce the income or increase the loss from the sources to which they relate:
  • capital cost allowance relating to investment in Canadian motion picture films (see line 23200)
  • deductions allowed under subsections 20(11) and 20(12) of the Income Tax Act (for more information, see Interpretation Bulletin IT-506, Foreign Income Taxes as a Deduction From Income)
  • repayments of a shareholder's loans

Part 3 - Farming or fishing loss for carryback
Farming or fishing loss available for carryback (enter the amount from line J)  N 
Farming or fishing loss to be applied to 2021 66300
Farming or fishing loss to be applied to 2022 66310 +
Farming or fishing loss to be applied to 2023 66320 +
Subtotal: Add lines 66300, 66310, and 66320. The subtotal cannot be more than amount N. =   -  O 
Balance of farming or fishing loss available for carryforward: Amount N minus amount O =
                 

Part 4 - Restricted farm loss for carryback
The amount you deduct in any year cannot be more than your net farming income for that year. If you have no net farming income in any of those years, you cannot deduct any restricted farm loss.
                 
Restricted farm loss for the year available for carryback (see Chapter 5 of Guide T4037, Capital Gains)  P 
Restricted farm loss to be applied to 2021 66480
Restricted farm loss to be applied to 2022 66490 +
Restricted farm loss to be applied to 2023 66500 +
Subtotal: Add lines 66480, 66490, and 66500. The subtotal cannot be more than amount P =   -  Q 
Balance of restricted farm loss available for carryforward: Amount P minus amount Q =
 
 
3

Part 5 - Net capital loss for carryback
Use this part to apply 2024 net capital losses only. You can only apply 2024 net capital losses against taxable capital gains.

Applying a net capital loss carryback could reduce the capital gains deduction claimed in the year(s) you apply the loss. It may also reduce capital gains deductions you claimed in the following years.

For more information, see Chapter 5 of Guide T4037.

                 
2024 net capital loss from line 19900 on Schedule 3, Capital Gains or Losses, available for carryback (see note 3)  R 
Adjustment factor for carrybacks: 50% ÷ the 2024 inclusion rate (50%) =  S 
Adjusted 2024 capital loss available for carryback: Amount R multiplied by amount S  T 
Net capital loss to be applied to 2021 66360
Net capital loss to be applied to 2022 66370 +
Net capital loss to be applied to 2023 66380 +
Subtotal: Add lines 66360, 66370, and 66380. The subtotal cannot be more than amount T =   -  U 
Balance of adjusted capital loss: Amount T minus amount U =  V 
 
Balance of net capital loss available for carryforward: Amount V divided by amount S (see note 4)
     
Note 3: If you have a net capital loss on line 19900 of Schedule 3, enter this amount. If you have a net capital gain on line 19900, enter "0".
Note 4: For information on net capital loss available for carryforward, see Chapter 5 of Guide T4037.

Part 6 - Listed personal property loss (LPP) for carryback
Amount of listed personal property (LPP) losses that is more than LPP gains for the year available for carryback. (see Chapter 5 of Guide T4037)  W 
LPP net loss to be applied to 2021 LPP net gains 66420
LPP net loss to be applied to 2022 LPP net gains 66430 +
LPP net loss to be applied to 2023 LPP net gains 66440 +
Subtotal: Add lines 66420, 66430, and 66440. The subtotal cannot be more than amount W =   -  X 
Balance of listed personal property loss available for carryforward: Amount W minus amount X =
                 

Part 7 - Certification
This form must be signed and dated by the individual or the authorized representative.
               
First name Last name
 
Telephone number
 
I certify that the information given on this form is correct and complete.
 
Signature Date
    66550

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