Government Programs · Historical report

CRA outlines corporate tax-return review process for small-business carbon rebates

In its May 21, 2026 business newsletter, the Canada Revenue Agency said legislation enacted March 26 made the Canada Carbon Rebate for Small Businesses non-taxable across all fuel charge years, prompting reviews of certain corporate returns

By Grant Sullivan · Source dated May 21, 2026 · Published July 22, 2026

Tax treatment change leads to return reviews

The Canada Revenue Agency’s May 21, 2026 newsletter set out how it intends to address corporate income-tax returns affected by the revised treatment of the Canada Carbon Rebate for Small Businesses. The agency said federal legislation passed on March 26, 2026 made the rebate non-taxable for every fuel charge year.

The CRA is examining T2 Corporation Income Tax Returns from businesses that may have counted the rebate as taxable income in the year it was received. For affected corporations, the development concerns how prior-year taxable income is calculated and whether a return needs to be changed after filing.

The agency distinguished its process based on when a corporation filed relative to June 30, 2025, the date it said the government announced its commitment to make the rebate tax-free. That timing determines whether the CRA expects to conduct the adjustment itself or whether the corporation must initiate a reassessment request.

Different steps depend on filing date and return detail

For a corporation that filed before June 30, 2025, the CRA said it will remove the rebate from taxable-income calculations when the return clearly shows the amount at line 295 of Schedule 1. In those cases, the agency said no action is required from the corporation.

If a pre-June 30, 2025 return does not clearly show whether the rebate was included in taxable income, the CRA said it will seek further information to determine whether an adjustment is appropriate. Businesses in this group could therefore receive a request tied to the tax reporting treatment used in their return.

A different process applies to corporations that filed after June 30, 2025 and included the rebate in taxable income. The CRA said those corporations need to submit an adjustment request seeking reassessment of the T2 return. The agency also pointed businesses to an online flowchart describing that process. For business owners and finance teams, the notice makes documentation of the rebate’s treatment in corporate tax filings relevant to any review or reassessment work.

CRA also flags digital correspondence and support resources

Beyond the rebate update, the May 2026 newsletter urged businesses to maintain an email address in My Business Account. The CRA said it now delivers most business correspondence online and uses the address to alert users when new mail is available or account changes occur. Keeping those details current can help a business receive notices connected to its CRA account.

The agency also directed businesses and self-employed individuals to a new webpage covering 2026 tax deadlines. It described the page as a resource intended to help users organize tax obligations during the year.

Finally, the CRA promoted its free Liaison Officer service for small business owners and self-employed individuals. According to the newsletter, officers provide individualized help on tax obligations, business deductions and rental-income reporting. The agency said that more than 98% of respondents to an anonymous post-visit survey reported that liaison officers answered all of their tax-related questions.