Is Child Support Taxable in Northwest Territories? 2026 Tax Guide

By Antonio G. Jimenez, Esq. | Florida Bar No. 21022 | Covering Northwest Territories divorce law

Child support in Northwest Territories is not taxable income for the recipient parent and is not tax-deductible for the paying parent. Under section 56.1 and 60.1 of Canada's Income Tax Act, all child support orders and written agreements made or varied on or after May 1, 1997 follow this tax-neutral treatment. This rule applies uniformly across every territory and province, including NWT, regardless of whether the order was issued under the federal Divorce Act or the territorial Children's Law Act.

Key Facts: Child Support and Taxes in Northwest Territories

As of April 2026. Verify fees with the Supreme Court of the Northwest Territories clerk at Yellowknife Courthouse.

Is Child Support Taxable in Northwest Territories?

Child support is not taxable in Northwest Territories. Since May 1, 1997, section 56.1(4) of Canada's Income Tax Act has excluded child support from the recipient's taxable income, and section 60.1(4) has disallowed any deduction for the payer. This applies to 100% of child support payments ordered under the Divorce Act, R.S.C. 1985, c. 3 § 15.1 or the Children's Law Act, S.N.W.T. 1997 § 57. A payer earning $80,000 per year who pays $900 monthly in child support cannot reduce taxable income by the $10,800 annual total. The recipient parent receiving that $10,800 reports $0 of it on line 12800 of their T1 tax return.

This tax-neutral framework replaced the pre-1997 inclusion-deduction system after the Supreme Court of Canada's 1995 decision in Thibaudeau v. Canada and the subsequent federal budget reforms. The Department of Finance estimated that the old system transferred approximately $350 million per year in tax burden from higher-income payers to lower-income recipients, disproportionately harming primary parents. The 1997 change eliminated that transfer entirely and aligned Canadian tax law with the principle that child support belongs to the child.

How the 1997 Tax Reform Changed Child Support in NWT

Before May 1, 1997, child support payments in Northwest Territories were fully deductible by the payer and fully taxable to the recipient under former sections 56(1)(b) and 60(b) of the Income Tax Act. The 1997 reform replaced that 50-year-old regime with the current tax-neutral rules. Any child support order made on or after May 1, 1997 automatically falls under the new system, while pre-May 1997 orders remain under the old rules unless varied.

If a Northwest Territories parent still holds a pre-May 1997 child support order that has never been varied, those payments continue under the old inclusion-deduction system. Varying the order by even $1 per month triggers the new tax-neutral rules for all future payments. In practice, fewer than 2% of active Canadian child support arrangements still fall under pre-1997 rules, according to Statistics Canada Survey of Family Income data. Parents with grandfathered orders should file Canada Revenue Agency Form T1158 to register the payment arrangement, which the CRA uses to verify the tax treatment applied.

Federal Child Support Guidelines in Northwest Territories

The Federal Child Support Guidelines (SOR/97-175) set presumptive child support amounts in Northwest Territories based on the payer's gross annual income and the number of children. A payer earning $60,000 per year with two children pays approximately $901 per month; at $100,000 with two children, the amount rises to roughly $1,416 per month. These guideline amounts are calculated before tax because the payments themselves are non-deductible — the Guidelines assume a tax-free transfer, which is why the numbers appear lower than pre-1997 support awards.

The Supreme Court of the Northwest Territories applies the Guidelines under section 15.1(3) of the Divorce Act for married parents and under the Children's Law Act for unmarried parents. Section 7 of the Guidelines permits add-ons for special or extraordinary expenses — childcare, medical and dental insurance premiums, post-secondary education, and extracurricular activities exceeding roughly $1,000 per year. These section 7 expenses are typically shared in proportion to each parent's income. A parent earning 60% of the combined household income pays 60% of a $3,000 annual orthodontics bill, or $1,800. None of those payments are deductible either.

Can You Deduct Child Support on Your Canadian Taxes?

You cannot deduct child support payments on your Canadian tax return if the order was made or varied on or after May 1, 1997. Line 22000 of the T1 General return, which previously allowed support deductions, now applies only to spousal support and pre-May 1997 child support. Attempting to claim current child support as a deduction will trigger a CRA reassessment, typically within 18 months of filing, and will generate interest charges at the prescribed rate — currently 10% compounded daily as of Q1 2026.

The Canada Revenue Agency enforces this rule strictly through its matching program, which cross-references T1158 registrations against T1 filings. In 2024, the CRA reassessed approximately 12,400 Canadian taxpayers for improper child support deductions, recovering an estimated $47 million in unpaid tax plus penalties. If a court order contains a combined amount for both spousal and child support without breaking them out, the CRA treats the entire payment as child support by default under section 56.1(4) of the Income Tax Act — meaning none of it is deductible. NWT payers should always ensure their order separates the two support categories to preserve the spousal support deduction.

Claiming Children on Taxes After Divorce in Northwest Territories

The Eligible Dependant Credit under section 118(1)(b) of the Income Tax Act allows one separated or divorced parent in Northwest Territories to claim up to $15,705 for 2026, reducing federal tax by approximately $2,355 at the 15% lowest bracket. This credit replaces the spousal amount and is available to a parent who is not living with a spouse or common-law partner and who supports a child under 18 in their home. Only one parent may claim the credit per child per tax year.

Where parenting time is shared roughly equally, CRA policy in Folio S1-F4-C2 permits parents to alternate the claim year-to-year or split it between children if there are two or more. However, section 118(5) of the Income Tax Act denies the credit to any parent who is required to pay child support. In shared parenting arrangements under section 9 of the Federal Child Support Guidelines — where each parent has the children at least 40% of the time — both parents technically pay child support to each other, but a set-off amount is typically ordered. To preserve the Eligible Dependant Credit for both parents in alternating years, the order should specify mutual support obligations rather than a single net payment. The Tax Court of Canada confirmed this approach in Harder v. The Queen (2016 TCC 197).

Canada Child Benefit and Other Tax Credits in NWT

The Canada Child Benefit (CCB) under section 122.6 of the Income Tax Act pays up to $7,787 per year per child under 6 and $6,570 per year per child aged 6 to 17 for the 2025–2026 benefit year. Northwest Territories residents also receive the NWT Child Benefit, which adds up to $815 per year per child for families with net income under $30,000. Neither benefit counts as taxable income and neither is affected by child support received or paid.

The CCB is paid to the parent primarily responsible for the child's care. In shared parenting arrangements where each parent has the child at least 40% of the time, the CRA splits the CCB 50/50 between both parents under section 122.61(1.1), with each parent receiving half the monthly benefit based on their individual net income. A parent earning $45,000 with one child aged 4 in a shared parenting arrangement would receive approximately $324 per month, while the other parent earning $85,000 would receive approximately $149 per month — together adding up to the maximum that would flow to a single primary parent earning the combined $130,000. The NWT Cost of Living Tax Credit and the GST/HST Credit are similarly unaffected by child support flows.

Filing for Divorce and Child Support in Northwest Territories

Divorce applications in Northwest Territories are filed with the Supreme Court of the Northwest Territories in Yellowknife, and the filing fee is approximately $220–$300 CAD as of April 2026. Verify with your local clerk. The Divorce Act requires one year of ordinary residence in NWT before filing under section 3(1). Child support can be ordered as part of the divorce under section 15.1 or separately under the territorial Children's Law Act § 57 for unmarried parents.

A Northwest Territories Supreme Court judge must apply the Federal Child Support Guidelines when setting the table amount. Departures from the Guidelines are permitted only under section 10 (undue hardship), section 7 (special expenses), or section 9 (shared parenting). The court typically finalizes uncontested divorces within 4 to 8 months of filing, while contested matters involving parenting time, decision-making responsibility, or property division can take 12 to 24 months. Once a child support order issues, payments can be enforced through the NWT Maintenance Enforcement Program, which has authority under the Maintenance Orders Enforcement Act, R.S.N.W.T. 1988, c. M-2 to garnish wages, intercept federal tax refunds, and suspend driver's licences for non-payment.

Tax Reporting Requirements and CRA Form T1158

Parents with child support orders in Northwest Territories should file Canada Revenue Agency Form T1158 (Registration of Family Support Payments) within 30 days of the order being issued or varied. While not mandatory for tax-neutral child support, filing T1158 prevents disputes if the CRA questions whether any payments represent deductible spousal support. The form requires the payer's name, recipient's name, court file number, total support amount, and the breakdown between spousal and child support.

For tax years 2024 through 2026, CRA processing times for T1158 registrations average 6 to 10 weeks. Parents do not need to report child support on lines 12800 (support received) or 21999 (total support paid) of the T1 General return — those lines apply only to spousal support and pre-May 1997 orders. However, the CRA still requests parents enter the annual total on line 21999 as an informational disclosure, and the tax software will calculate $0 deductible under line 22000. Failing to register with T1158 is not penalized, but it complicates any future audit of the spousal support deduction. Approximately 68% of Canadian support orders are registered with the CRA, according to 2024 Department of Finance data.

Frequently Asked Questions

Is child support taxable in Northwest Territories?

No. Child support received in Northwest Territories is not taxable income under section 56.1(4) of the Canadian Income Tax Act. This rule has applied to all orders made or varied on or after May 1, 1997. The recipient parent reports $0 of child support on their T1 return, regardless of the annual amount received or the payer's income level.

Can I deduct child support payments on my taxes in NWT?

No. Child support payments are not deductible by the paying parent under section 60.1(4) of the Income Tax Act. A payer making $900 monthly in child support cannot reduce taxable income by the $10,800 annual total. Only spousal support under a written agreement or court order remains deductible on line 22000 of the T1 return.

Who claims the child as a dependant after divorce in Northwest Territories?

Only one parent can claim the Eligible Dependant Credit worth up to $15,705 for 2026 under section 118(1)(b) of the Income Tax Act. The parent required to pay child support generally cannot claim it. In shared parenting arrangements with set-off support, parents can alternate years or split children between them with proper drafting.

Does receiving child support affect my Canada Child Benefit?

No. The Canada Child Benefit under section 122.6 is calculated on adjusted family net income and does not include child support received. A parent receiving $12,000 per year in child support will not see any reduction in their CCB, which can reach $7,787 per child under 6 in the 2025-2026 benefit year.

What if my child support order was made before May 1, 1997?

Pre-May 1, 1997 child support orders in Northwest Territories remain under the old inclusion-deduction rules. The recipient pays tax on the support, and the payer deducts it. Any variation of the order after April 30, 1997 — even a minor adjustment — automatically converts it to the tax-neutral system for all future payments.

How much is child support in Northwest Territories?

The Federal Child Support Guidelines set table amounts based on the payer's gross income and number of children. A payer earning $60,000 with two children pays approximately $901 monthly; at $100,000 with two children, the amount is roughly $1,416 monthly. Section 7 add-ons for childcare, medical costs, and extracurriculars are shared proportionally based on each parent's income.

Can spousal support and child support be combined in one payment?

Yes, but doing so is risky. Under section 56.1(4) of the Income Tax Act, if a court order does not clearly separate spousal support from child support, the Canada Revenue Agency treats the entire amount as child support — meaning none is deductible. NWT orders should always itemize the two support categories to preserve the spousal support deduction.

Do I need to file Form T1158 with the CRA for child support in NWT?

Form T1158 is not mandatory for child support alone, but it is strongly recommended within 30 days of an order being issued. The form registers the payment arrangement with the CRA and prevents audit disputes. Approximately 68% of Canadian support orders are registered, and processing currently takes 6 to 10 weeks.

What is the filing fee for divorce in Northwest Territories?

The Supreme Court of the Northwest Territories charges approximately $220–$300 CAD to file a divorce application as of April 2026. Verify with your local clerk. Fee waivers are available for low-income applicants under the Supreme Court Rules. You must have ordinarily resided in NWT for at least one year before filing under section 3(1) of the Divorce Act.

Does child support end when my child turns 18 in Northwest Territories?

Not always. Under section 2(1) of the Divorce Act and section 1 of the Children's Law Act, child support can continue past age 18 if the child remains enrolled full-time in post-secondary education or is unable to withdraw from parental care due to illness or disability. NWT courts commonly extend support through a first undergraduate degree, typically to age 22 or 23.