Change in Use – The Unexpected Change

Volume No. 19-06

Author: Marco Jotic, CPA, CGA 
Editor: Matthew Cho, CPA, CA, TEP

Occasionally, a taxpayer moves from his/her principal home into a new home and rents the old home out, or converts part of the home for a different purpose.  Alternatively, he/she may move into one of his/her rental properties and turn it into a principal home.  While this may not be an issue if the change is short term and temporary, a permanent change could give rise to a deemed disposition of the property for tax purposes.  If not carefully managed, this deemed disposition can create undesirable results for these taxpayers.

Complete change in use

Where a taxpayer owns real property and converts it entirely from personal to income-producing (e.g., rental) purpose or the other way around, the taxpayer is deemed to have disposed of the property at the time of conversion at its fair market value and reacquired it for the same amount. 

The result is not troublesome if any accrued gain on the property is fully sheltered by the principal residence exemption but in cases where a full exemption is not available or the exemption is not an option (e.g., the change is from rental to personal), the resulting capital gain and/or recapture will give rise to unexpected tax liabilities.

Thankfully, there are two elections available to taxpayers to avoid this change in use deemed disposition.  The first election, under subsection 45(2) of the Income Tax Act (the “Act”), overrides the deemed disposition when the change is from personal to income-producing use unless the taxpayer rescinds the election in a later year or claims capital cost allowance (“CCA”) on the property.  This election allows the gain upon conversion to be deferred until an actual disposition.  An additional benefit is that the property may be eligible for the principal residence exemption for up to 4 years after the year the election was made.  This 4 year limit may be extended if certain conditions are met.

This election should be filed with the taxpayer’s income tax return for the year that includes the change in use.  The Canada Revenue Agency (the “CRA”) may accept a late election if CCA is not claimed at any time.

When the change is from income-producing to personal use, the second election, under subsection 45(3) of the Act, can be used to prevent the application of the change in use rules.  Unlike the first election, this election is filed with the tax return for the year when the property is actually disposed of (or within 90 days after a formal demand is issued by the Minister).  However, this election is not available if CCA has been claimed at any time prior to the conversion.  This election also allows the property to be eligible for the principal residence exemption for up to 4 years prior to the change.  The CRA may also allow late filing if it meets the criteria for taxpayer relief.

Partial changes in use

When only a portion of the property undergoes a change in use, the deemed disposition will only apply to that portion of the property.  The elections under subsections 45(2) or 45(3) cannot be made as they only apply to a complete change in use.  Therefore, a thorough analysis should be conducted for situations when a taxpayer contemplates changing a single use property into multiple uses or vice versa, in order to fully appreciate and plan for any tax consequences arising from the change.

CRA Practice

For principal residences, the CRA considers a partial change in use to occur where there have been significant modifications to the property that are permanent in nature.  In addition, the CRA will not apply the deemed disposition rules with respect to a principal residence (and takes the view that the entire property remains a principal residence) where the following conditions are met:

  • There have been no structural changes to the property
  • CCA has been claimed on the property; and
  • The main use of the property is as a residence and the income producing use is ancillary.

The change in use rules are often considered after the fact.  Even though some relief is available to defer the resulting tax, there are conditions attached to them that may not be reversible.  As a result, taxpayers should consider the impact of these rules when they are considering changing or expanding the use of a property, particularly with respect to their principal residences.  If you have situations involving the application of these rules, a Cadesky Tax representative would be happy to assist you.


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The material provided in Tax Tip is believed to be accurate and reliable as of the date of posting. Tax laws are complex and are subject to frequent change. Professional advice should always be sought before implementing any tax planning arrangements. Cadesky Tax cannot accept any liability for the tax consequences that may result from acting based on the contents hereof.