Available Tax Forms
 All-in-one data center
 Checklist
 T4
 T4A
 T4A(OAS)
 T4A(P)
 T4E
 T4PS
 T4A-RCA
 T4RIF
 T4RSP
 T5
 T4FHSA
 T3
 T5007
 T5008
 T5013
 RC210
 T1 GENERAL
 NB428
>>Show more forms
HomeTax calculator

Quick edit form(mobile version)

New Brunswick Tax and Credits

Form NB428


2023
 
Protected B when completed 
 
For more information about this form, go to canada.ca/nb-tax-info.
 

Part A – New Brunswick tax on taxable income

 
 
Enter your taxable income from line 26000 of your return.   1
 
Use the amount from line 1 to complete the appropriate column below.
 
           
  Line 1 is more than   Line 1 is more than      
  Line 1 is   $47,715 but not   $95,431 but not   Line 1 is more  
  $47,715 or less   more than $95,431   more than $176,756   than $176,756  
 
Amount from line 1         2
        3
Line 2 minus line 3 (cannot be negative)   =   =   =   = 4
Line 4 multiplied by the percentage x                9.40%   x                14.00%   x                16.00%   x                19.50% 5
from line 5   =   =   =   = 6
Line 6 plus line 7 +   +   +   + 7
New Brunswick tax            
on taxable income   =   =   =   = 8
 
Enter the amount from line 8 on line 52 and continue at line 9.
 

Part B – New Brunswick non-refundable tax credits

  Internal use 56030  
Basic personal amount Claim $12,458 58040  9
   
Age amount (if you were born in 1958 or earlier) (use Worksheet NB428) (maximum $5,615) 58080 +  10
Spouse or common-law partner amount:
  Base amount    11
  Your spouse's or common-law partner's net income  
  from line 23600 of their return    12
  Line 11 minus line 12 (if negative, enter "0") (maximum $9,764) 58120 = +  13
Amount for an eligible dependant:
  Base amount    14
     
  Your eligible dependant's net income from line 23600 of their return    15
  Line 14 minus line 15 (if negative, enter "0") (maximum $9,764) 58160 = +  16
   
Amount for infirm dependants age 18 or older (use Worksheet NB428) 58200 +  17
Add lines 9, 10, 13, 16, and 17.   =  18
 
CPP or QPP contributions:  
  Amount from line 30800 of your return 58240 •19
  Amount from line 31000 of your return 58280 + •20
Employment insurance premiums:  
  Amount from line 31200 of your return 58300 + •21
  Amount from line 31217 of your return 58305 + •22
Add lines 19 to 22.   = +  23
Line 18 plus line 23   =  24
Pension income amount (maximum $1,000) 58360 +  25
   
Caregiver amount (use Worksheet NB428) 58400 +  26
Add lines 24 to 26.   =  27
 
 
5004-C E(23) (Ce formulaire est disponible en français.)   Page 1 of 4

Quick edit form(mobile version)
Protected B when completed 
Part B – New Brunswick non-refundable tax credits (continued)
Amount from line 27 of the previous page    28
Disability amount for self  
(claim $9,309, or if you were under 18 years of age, use Worksheet NB428) 58440 +  29
   
Disability amount transferred from a dependant(use Worksheet NB428) 58480 +  30
Add lines 28 to 30.   =  31
Interest paid on your student loans (amount from line 31900 of your return) 58520 +  32
Your tuition and education amounts (attach Schedule NB(S11)) 58560 +  33
Tuition amounts transferred from a child or grandchild 58600 +  34
Amounts transferred from your spouse or common-law partner (attach Schedule NB(S2)) 58640 +  35
Add lines 31 to 35.   =  36
Medical expenses:
  Amount from line 33099 of your return 58689  37
  Amount from line 23600 of your return    38
  Applicable rate   x                  3%  39
  Line 38 multiplied by the percentage from line 39   =  40
  Enter whichever is less: $2,602 or the amount on line 40.    41
  Line 37 minus line 41 (if negative, enter "0")   =  42
Allowable amount of medical expenses for other dependants  
(use Worksheet NB428) 58729 +  43
 
Line 42 plus line 43 58769 =  ► +  44
Line 36 plus line 44 58800 =  45
New Brunswick non-refundable tax credit rate   x                  9.40%  46
Line 45 multiplied by the percentage from line 46 58840 =  47
 
Donations and gifts:
  Amount from line 13 of your federal
  Schedule 9     x 9.40% =    48  
  Amount from line 14 of your federal
  Schedule 9     x 17.95% =   +  49  
Line 48 plus line 49 58969 =  ► +  50
 
Line 47 plus line 50      
Enter this amount on line 55. New Brunswick non-refundable tax credits 61500 =  51
 
 
Part C – New Brunswick tax
 
New Brunswick tax on taxable income from line 8   52
New Brunswick tax on split income (complete Form T1206) 61510 + •53
Line 52 plus line 53   = 54
 
New Brunswick non-refundable tax credits from line 51   55
Line 54 minus line 55 (if negative, enter "0")   = 56
 
 
 
5004-C E (23)   Page 2 of 4  

Quick edit form(mobile version)  
Protected B when completed 
   
Part C – New Brunswick tax (continued)
Amount from line 56 of the previous page    57
 
New Brunswick dividend tax credit (use Worksheet NB428) 61520  •58
New Brunswick minimum tax carryover:  
Amount from line 40427 of your return   x  57% = 61540 +  •59
Line 58 plus line 59   = 60
Line 57 minus line 60 (if negative, enter "0")   = 61
New Brunswick additional tax for minimum tax purposes:
Form T691: line 111 minus line 112   x  57% =   + 62
Line 61 plus line 62   = 63
Provincial foreign tax credit (complete Form T2036)   64
Line 63 minus line 64 (if negative, enter "0").   = 65
 
New Brunswick low-income tax reduction
 
If you had a spouse or common-law partner on December 31, 2023, you and your spouse or
common-law partner need to decide who will claim this tax reduction for your family. Any unused
amount from line 88 can be claimed by the other spouse or common-law partner on line 66 of their
Form NB428.
 
Unused low-income tax reduction from your spouse or common-law partner:
Amount from line 88 of your spouse's or common-law partner's Form NB428, if any 61560 •66
Line 65 minus line 66 (if negative, enter "0")    
Enter this amount on line 74 of the next page.   = 67
 
If you claimed an amount on line 66, enter the amount from line 67 on line 85 and continue on
line 89. If not, continue below.
 
You are eligible to claim the low-income tax reduction if either of the following applies:
You are single and your net income from line 23600 of your return is less than $45,252
You have an eligible dependant or spouse or common-law partner and your adjusted family
income
(calculated using the chart below) is less than $70,118
If neither of these conditions applies to you, enter "0" on line 84, enter the amount from line 74
on line 85, and continue on line 89.
 
 
  Adjusted family income calculation for Column 1 Column 2
  the New Brunswick low-income tax reduction You Your spouse or
  common-law partner
  Net income from line 23600 of the return     68
  Total of the universal child care benefit (UCCB) repayment (line 21300
of the return) and the registered disability savings plan (RDSP) income
     
  repayment (included on line 23200 of the return)   +   + 69
  Line 68 plus line 69   =   = 70
  Total of the UCCB income (line 11700 of the return) and the RDSP      
  income (line 12500 of the return)     71
  Line 70 minus line 71 (if negative, enter "0")   =   = 72
  Add the amounts from line 72 of columns 1 and 2, if any.          
  Enter this amount on line 79 of the next page. Adjusted family income   73
 
 
 
       
5004-C E (23) Page 3 of 4

Quick edit form(mobile version)
 
Protected B when completed 
Part C – New Brunswick tax (continued)
 
Amount from line 67 of the previous page   74  
 
Basic reduction Claim $746 61570 75  
Reduction for spouse or common-law partner Claim $746 61580 + 76  
Reduction for an eligible dependant claimed on    
line 30400 of your return Claim $746 61590 + 77  
Add lines 75 to 77. (maximum $1,492)   = 78  
 
Adjusted family income:
Amount from line 73 of the previous page   79  
  Base amount   80  
  Line 79 minus line 80 (if negative, enter "0")   = 81  
  Applicable rate   x                  3% 82  
  Line 81 multiplied by the percentage from line 82   = 83  
Line 78 minus line 83        
(if negative, enter "0") New Brunswick low-income tax reduction   = 84  
Line 74 minus line 84 (if negative, enter "0")   = 85  
     
 
  Unused low-income tax reduction that your spouse or common-law partner can claim  
  Amount from line 84 above   86  
  Amount from line 65 of the previous page   87  
  Line 86 minus line 87 (if negative, enter "0") Unused amount   = 88  
   
 
New Brunswick political contributions made in 2023 61550 89  
New Brunswick political contribution tax credit (use Worksheet NB428) (maximum $500)   90  
Line 85 minus line 90 (if negative, enter "0")   = 91  
 
 
Labour-sponsored venture capital fund tax credit from NB-LSVC-1 certificate(s) (maximum $2,000) 61670 •92
Line 91 minus line 92 (if negative, enter "0")   = 93  
 
Small business investor tax credit (complete Form T1258) (maximum $125,000)   94  
Line 93 minus line 94 (if negative, enter "0")    
Enter this amount on line 42800 of your return. New Brunswick tax   = 95  
 
See the privacy notice on your return.  
 
 
     
5004-C E (23) Page 4 of 4