In the late nineties, the federal government made sweeping changes to how child support was
calculated by introducing the Child Support Guidelines. The goals of the Guidelines were to make child
support fair, predictable and consistent. To this end, certain rules as well as tables were created to
assist in the calculation of child support. Within short order, the various provinces followed suit by
introducing their own version of the Child Support Guidelines.

What follows is an overview of the steps involved in calculating child support for those living in Ontario.

Step 1 - Which set of Guidelines apply?
If you are divorced or in the process of getting divorced, then you will be subject to the Federal Child
Support Guidelines. If however, you have decided to separate only or if you and the other parent have
never been married then the Provincial Child Support Guidelines will apply.  It should be noted that the
amounts prescribed in the federal and provincial tables are the same.

Step 2 - How many children are affected?
While this may sound like a strange question, it is an important one. For instance, children who have
reached the age of majority may be entitled to support if they are still in school full time. Children from
other relationships will generally be excluded for the purposes of this calculation, unless the paying
parent has acted like a parent to these other children.

Step 3 - What is the custody arrangement?
The custody arrangement that parents have entered into will have an effect on the amount of support that
will be paid.

The Guidelines recognize three types of custody arrangements.
1. Sole custody - the children are with the paying parent less than 40 per cent of the time.
2. Shared custody - the children live with each parent on a near-equal basis or more than 40 per cent of
the time with each parent.
3. Split custody - each parent has sole custody of one or more of the children.

Step 4 - Choose the appropriate table
If you are subject to the Federal Child Support Guidelines  (because you are divorcing) you must next
choose which table applies. There is a separate set of Federal Child Support Tables for each province
and territory. The amounts vary due to slight differences in provincial and territorial tax rates. If the paying
parent resides in Canada, it is the table for the province where that parent lives. If the paying parent lives
outside of Canada, then it is the provincial table where the receiving parent lives.

Step 5 - Calculate the paying parent’s annual income
Annual income refers to gross income, before taxes, from all sources, subject to some minor
adjustments.

If the paying parent is employed as a salaried employee and has no other income, then this calculation
will be fairly straightforward. Where difficulties may arise is if the paying parent is self-employed, has
income from investments or property or is a director or major shareholder in a corporation.

Step 6 - Determine the table amount
With the number of eligible children and income, you are able to determine the monthly amount of child
support by consulting the relevant table.

Step 7 - Determine any special expenses
While the table amount generally represents the support children are entitled to, there may be additional
expenses above and beyond this amount. These expenses are referred to as special expenses and
include:
  • Child care expenses.
  • That portion of the medical and dental insurance premiums attributable to the child.
  • Health-related expenses not covered by insurance, e.g. orthodontic treatment, professional
    counselling, occupational therapy, prescription drugs.
  • Extraordinary expenses for primary or secondary school education or for any other educational
    programs that meet the child’s particular needs.
  • Expenses for post-secondary education.
  • Extraordinary expenses for extracurricular activities.

These special expenses are in addition to the table amount. Generally each parent shares in the cost of
the special expenses in proportion to his or her income. However, depending on the level of child
support being paid contribution for all special expenses is not always appropriate. This occurs in high
income cases where the base level of support is very high and the recipient is then expected to pay for
most special expenses from the base support amount.

Step 8 - Is undue hardship a factor?
In certain circumstances, the amount of support combined with other factors, can cause undue hardship
to either a parent or a child. Those factors may include:
  • The high expenses associated with access.
  • A legal duty to support another person, including a child of another relationship.
  • The standard of living of the custodial parent and the non-custodial parent.

In cases of undue hardship, a parent may ask the court to raise or lower the amount of child support.

If you have a child support order or agreement that was made before May 1, 1997, the date the
Guidelines took effect, these Guidelines did not automatically change it.

Although the Child Support Guidelines have made the calculation of child support easier, there are
nevertheless a number of potential problem areas. Therefore it is always a good idea to seek legal
advice.
The Child Support Guidelines
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Kimberly Walsh, B.A., LL.B.
1212 Churchill Street, Cornwall, ON  K6J 4X9
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