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Can Child Support Be Changed?
Family Law
Can Child Support Be Changed?
13 min read
Can Child Support Be Changed in Alberta?
Introduction
Yes. Child support can be increased, reduced, suspended or ended when circumstances change in a way that would produce a different support obligation under the applicable Child Support Guidelines. Common reasons include a change in income, a different parenting arrangement, a child becoming independent, a new Section 7 expense or a change in the number of children entitled to support.
However, a parent should not simply begin paying a different amount. An existing court order remains enforceable until it is properly changed, and an informal arrangement may not protect either parent if a dispute arises later. Depending on the circumstances, support may be changed through annual recalculation, a written agreement, a consent order or a contested court application.
Acting promptly is important. Delays can create significant arrears, overpayments and retroactive claims.
Why Does Child Support Change?
Child support is based on current circumstances, particularly:
Each parent’s guideline income
The number of children entitled to support
The parenting arrangement
The applicable child support tables
Special or extraordinary expenses
The needs of an adult child
Other factors recognized by the Guidelines
These circumstances rarely remain unchanged throughout a child’s life. A parent may receive a promotion, lose employment, start a business or retire. A child may move between homes, begin university or no longer require daycare.
The fact that an amount was correct when an agreement or order was made does not mean it will remain correct indefinitely.
What Change Is Required?
Under section 17 of the federal Divorce Act, the court must be satisfied that a change of circumstances recognized by the applicable Child Support Guidelines has occurred since the order or most recent variation.
For a support amount based on the child support tables, section 14 of the Federal Child Support Guidelines recognizes any change in circumstances that would result in a different child support order or provision.
The issue is not simply whether something in the family’s life has changed. The change must be relevant to the support calculation or the child’s continuing entitlement.
Examples may include:
A meaningful increase or decrease in income
A change in the number of eligible children
A different parenting-time arrangement
A child reaching the age of majority
A child beginning or finishing post-secondary education
A new or discontinued Section 7 expense
A change in the child’s medical or educational needs
A parent moving to another province or country
A paying parent retiring
A child becoming financially independent
The evidence and governing legislation determine whether a particular change justifies a variation.
When the Paying Parent’s Income Changes
The basic table amount of child support is usually connected to the paying parent’s guideline income. If that income changes, the table amount may need to be updated.
An increase may result from:
A salary increase
Regular overtime
A promotion
Bonuses or commissions
New employment
Increased business profits
Dividends or investment income
Previously undisclosed income
A decrease may result from:
A genuine job loss
Reduced hours
Illness or disability
A reasonable career change
A lasting business decline
Retirement
Not every temporary fluctuation requires an immediate permanent variation. Courts may consider whether the change is genuine, significant and likely to continue.
Voluntary Income Reductions
A parent cannot necessarily reduce child support by voluntarily choosing to earn less.
If a parent leaves suitable employment, reduces hours without a reasonable explanation or accepts work far below their earning capacity, the court may impute income. This means support is calculated using an income the court considers appropriate rather than the amount currently reported.
Relevant factors can include:
The parent’s education and experience
Employment history
Health
Available work
Childcare responsibilities
The reason for the employment decision
Efforts to find suitable employment
A reasonable medical leave or unavoidable layoff will be treated differently from a decision intended to place other priorities ahead of the child-support obligation.
Does a Job Loss Automatically Reduce Support?
No. Losing a job does not automatically change an existing agreement or court order.
The parent should:
Notify the other parent promptly.
Provide proof of the employment change.
Disclose Employment Insurance, severance and other income.
Document efforts to find new work.
Calculate the appropriate guideline amount.
Take formal steps to change support if necessary.
The existing amount continues to be enforceable unless it is properly varied, recalculated or replaced. Waiting several months while arrears accumulate can make the situation more difficult.
A court may also examine severance payments, benefits, investment income and the parent’s earning capacity before deciding whether a reduction is appropriate.
When the Recipient Parent’s Income Changes
In a straightforward majority-parenting arrangement, the basic table amount is generally based on the paying parent’s income. An increase in the recipient parent’s earnings does not usually reduce that basic amount.
However, the recipient parent’s income may affect:
Section 7 expenses
Shared-parenting calculations
Split-parenting calculations
An undue-hardship claim
Certain adult-child expenses
Other discretionary support issues
Both parents should therefore provide updated income information when the calculation requires both incomes.
Changes to Parenting Time
A significant change in the actual parenting arrangement may affect support.
Shared parenting generally applies when each parent exercises at least 40% of the parenting time with a child over the course of a year. When that threshold is met, support is determined by considering:
The table amount for each parent
The increased costs associated with shared parenting
The conditions, means, needs and circumstances of the parents and child
Moving to shared parenting does not automatically eliminate child support. A parent with the higher income may continue to pay support.
Support may also change if:
A child begins living primarily with the other parent
Different children primarily live with different parents
A child moves between homes at different times
A temporary arrangement becomes long term
The calculation depends on the actual arrangement, not merely labels such as “shared custody.”
Parents should also remember that support and parenting time are separate legal issues. A parent cannot normally stop paying support because the other parent interferes with parenting time, and a parent should not withhold the child because support has not been paid.
Changes to Section 7 Expenses
Special or extraordinary expenses can begin, increase, decrease or end.
Changes may involve:
Daycare
Before-and-after-school care
Uninsured medical treatment
Orthodontics
Counselling or therapy
Specialized education
Competitive extracurricular activities
Post-secondary education
The amount each parent contributes may also change when their incomes change.
For example, parents who previously divided a qualifying expense equally may need to use a 65/35 division after exchanging current income information.
The net expense should be calculated after accounting for insurance, subsidies, tax benefits and any contribution from the child.
When a Child Turns 18
Child support does not necessarily end automatically when a child turns 18.
Under the Divorce Act, an adult child may remain entitled to support when they are unable to become financially independent because of illness, disability, education or another qualifying cause.
Relevant considerations may include:
Whether the child attends school
Whether attendance is full-time or part-time
The child’s educational plan
Academic performance
Employment income
Scholarships and grants
Student loans
The child’s reasonable contribution
Living arrangements
Health or disability
The child’s ability to become independent
A parent should review the order before stopping payments. Some orders identify a specific termination event, while others require agreement or a further court order.
If the Maintenance Enforcement Program is involved, the parent should follow the required process rather than assuming enforcement will end on the child’s birthday.
When Can Child Support End?
Support may end when the child is no longer legally entitled to receive it. Depending on the circumstances, this may occur when the child:
Becomes financially independent
Completes reasonable post-secondary education
Withdraws from school without an appropriate plan
Obtains stable full-time employment
No longer qualifies as a child under the applicable legislation
Dies
Marriage or independent living may be relevant but does not provide a universal automatic rule in every case.
The paying parent should obtain confirmation that support has legally ended. Simply stopping payment can create arrears if the child remains entitled.
Changing Support by Agreement
If both parents agree on the updated amount, they can document the change in writing.
A clear agreement should identify:
Each parent’s guideline income
The income documents exchanged
The applicable child support table
The new monthly amount
The effective date
Any arrears or overpayment
Section 7 expenses
Annual disclosure obligations
Recalculation procedures
The number of eligible children
Where a court order already exists, a private agreement may not change what the court order or the Maintenance Enforcement Program can enforce. The parents may need a consent variation order.
Child support is the child’s right. A court reviewing an agreement must be satisfied that reasonable support arrangements have been made.
Consent Variation Orders
When parents agree and an existing court order must be changed, they may apply for a consent variation order.
A properly drafted consent order can address:
The new monthly support amount
The effective date
Arrears
Retroactive adjustments
Section 7 expenses
Financial disclosure
Future recalculation
Termination events
Court appearances may sometimes be avoided when all required documents are properly prepared and the proposed terms comply with the Guidelines. The exact process depends on the court, governing legislation and the existing order.
Alberta’s Child Support Recalculation Program
Alberta’s Child Support Recalculation Program can update eligible child-support orders and agreements using current income-tax information. It may also recalculate proportionate shares of certain extra expenses.
The program can allow support to be updated without a new court hearing. However, not every case is eligible.
Recalculation may not be suitable where the amount requires significant discretion, such as cases involving:
Self-employment
Corporate income
Imputed income
Shared parenting disputes
Income over $150,000
Adult children
Complex Section 7 expenses
Unusual income adjustments
The program does not decide parenting disputes or resolve complex financial evidence.
A parent who disagrees with a recalculation decision must follow the objection process and applicable deadline. Ignoring the decision will not prevent it from taking effect.
Applying to Court
If the parents cannot agree and recalculation is unavailable or inappropriate, either parent may apply to court to vary the existing support order.
The applicant generally needs to establish:
The terms of the existing order
The circumstances when it was made
What has changed
When the change occurred
How the change affects support
The appropriate new amount
Whether any retroactive adjustment is requested
Evidence may include:
Income tax returns
Notices of assessment
Pay statements
Employment records
Corporate or business statements
Proof of job loss
Medical evidence
Parenting calendars
School records
Section 7 receipts
Evidence about the child’s independence
Complete financial disclosure is essential. The court may impute income or award costs when a parent fails to provide required information.
Can Support Be Changed Retroactively?
Yes. A court may change support for a past period as well as the future.
A retroactive increase may be requested when:
The paying parent’s income increased
Support was not updated
Income was not disclosed
The recipient requested a review but received no response
The original amount was based on incomplete information
A retroactive reduction may be requested when:
Income genuinely decreased
The number of eligible children changed
The child ceased to be entitled
The parenting arrangement changed
The existing amount became inconsistent with the Guidelines
A retroactive change is not automatic. The court may consider:
When the change occurred
When notice was provided
The reason for any delay
Whether financial disclosure was complete
The conduct of both parents
The child’s circumstances
Hardship caused by the proposed adjustment
Payments actually made
The current amount of arrears
Prompt notice and complete disclosure are particularly important. A parent seeking a reduction should not remain silent while allowing arrears to accumulate.
What Is Effective Notice?
Effective notice generally means clearly communicating that child support should be reviewed or changed. It is more than a casual comment that finances are difficult.
A written notice may identify:
The change in circumstances
The date it occurred
The proposed new income
Supporting documents
A request to exchange disclosure
A proposed effective date
A request to recalculate support
Written communication provides a record of when the issue was raised and what information was supplied.
Formal court documents are not always required to give initial notice, but beginning legal proceedings may become necessary if the issue remains unresolved.
What Happens to Arrears?
Changing future support does not automatically erase existing arrears.
A court considering whether arrears should be reduced or cancelled will examine the evidence carefully. Relevant considerations may include:
Why the arrears accumulated
Whether the parent provided notice
Whether income was disclosed
The parent’s payment history
Current and future ability to pay
The child’s circumstances
Whether enforcing the full amount would be unfair
Whether the parent delayed unreasonably
A parent seeking relief should provide detailed financial evidence. The court may change the payment schedule, reduce arrears in appropriate circumstances or decline to grant relief.
Parents should not privately treat arrears as cancelled when the registered order continues to show them as owing.
Does the Maintenance Enforcement Program Change Support?
No. Alberta’s Maintenance Enforcement Program enforces support obligations but does not ordinarily decide what the correct amount should be.
If MEP is enforcing an order, it will generally continue using that order until it receives legally effective documentation changing the obligation.
A parent should therefore provide MEP with a filed copy of any variation order or other accepted decision as soon as possible. Until then, collection activity may continue based on the existing terms.
Continue Following the Existing Order
Unless the order has been varied, suspended, terminated or validly recalculated, the existing amount generally remains payable.
A parent should not unilaterally:
Reduce monthly payments
Stop paying
Deduct disputed Section 7 expenses
Offset support against another debt
Link support to parenting-time compliance
Assume a verbal agreement replaces the order
Continuing to pay the ordered amount may be financially difficult after a major income loss, but stopping without taking formal steps can create enforceable arrears.
Annual Financial Disclosure
Many support disputes can be avoided through annual disclosure and recalculation.
A well-drafted agreement or order may require the parents to exchange:
Income tax returns
Notices of assessment and reassessment
Current pay information
Bonus and commission records
Corporate or business statements
Section 7 expense information
The document should specify:
The annual disclosure date
How support will be recalculated
When the new amount begins
How overpayments or underpayments are corrected
How variable income will be handled
What happens if disclosure is late
Annual disclosure is especially important where income fluctuates or Section 7 expenses are divided proportionately.
Common Mistakes When Changing Child Support
Common mistakes include:
Assuming support changes automatically with income
Relying on a verbal agreement
Stopping support when a child turns 18
Using net pay instead of guideline income
Ignoring bonuses, business income or corporate benefits
Assuming shared parenting means no support
Failing to update Section 7 percentages
Waiting while arrears accumulate
Providing incomplete financial disclosure
Treating parenting time and support as interchangeable
Assuming MEP can vary the order
Ignoring a recalculation decision or objection deadline
Addressing the change promptly usually provides more options and clearer evidence.
When to Speak With a Family Lawyer
Legal advice may be helpful when:
Income has changed significantly
A parent has lost employment
A parent is self-employed or controls a corporation
Parenting time has changed
A child has moved between homes
A child is approaching or has reached age 18
Post-secondary education is involved
Section 7 expenses have changed
Financial disclosure is incomplete
Retroactive support is requested
Arrears have accumulated
MEP is enforcing the existing order
The parents need a consent variation
A court application may be required
A lawyer can determine whether the circumstances justify a change, calculate the appropriate amount and ensure the variation is legally effective.
How Bridgestone Law Can Help
Child support should reflect current income, parenting arrangements and the child’s circumstances. However, changing the amount properly can require more than inserting a new income into a calculator.
Bridgestone Law assists parents in Calgary and throughout Alberta with:
Child-support recalculations
Financial disclosure
Consent variation orders
Contested variation applications
Shared and split parenting calculations
Self-employment and corporate income
Section 7 expenses
Adult-child support
Retroactive adjustments
Arrears and enforcement
We can review the existing agreement or order, identify the relevant change and help pursue an updated support arrangement that complies with Alberta law.
Contact Bridgestone Law to discuss whether your child-support obligation or entitlement should be changed.
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