A brown envelope from the CRA doesn’t mean you did something wrong. It means the clock is running.
Most Alberta business owners open it once, put it dMost Alberta business owners open it once, put it down, then open it again an hour later, hoping the words have changed. They haven’t. And a search for CRA audit support services at 11 p.m. usually raises more questions than it answers.
This guide covers what a CRA audit actually involves, the rights you keep the whole way through, and the five moves to make in your first 48 hours.
What Happens During a CRA Audit
A CRA audit is when the agency reviews your reported income, expenses, and credits to verify that your tax return matches your actual records. it’s a check, not an accusation.
The Canada Revenue Agency’s risk-assessment systems identify returns deemed high-risk for non-compliance. After a file is flagged, it is assigned to a CRA auditor, who typically contacts you before sending a formal letter. (Canada Revenue Agency, Business Audits).
Most audits fall into one of three types:
- Correspondence audit — by mail or online, for a specific claim (the least invasive)
- Office audit — you bring records to a CRA office
- Field audit — the auditor reviews records at your business or your representative’s office
Knowing which type you’re dealing with tells you how much paperwork to expect and how soon. Either way, you keep the right to have someone handle the calls for you — which is exactly where CRA audit support services come in.
What Triggers a CRA Audit for Alberta Business Owners
An audit doesn’t mean the CRA suspects fraud — most are triggered by patterns that look unusual next to your prior filings or industry norms.
The Canada Revenue Agency (CRA) employs risk-assessment tools that search for inconsistent income, recurring losses, and significant variations between reporting periods (Canada Revenue Agency, Business Audits). This is common in home-based consultancies and cash-heavy trades in Alberta, where the deduction ratios differ more than in salaried income.
Common triggers include:
- Deductions too large relative to income (home office, vehicle)
- Repeated business losses, year after year
- Income mismatch vs. T-slips/third-party data
Here’s the part most guides skip: Alberta corporations also file with the province’s own Tax and Revenue Administration (TRA) for corporate tax, separate from the CRA — so a mismatch between provincial and federal filings can raise a flag on its own.
Knowing your likely trigger helps you gather the right documents before the auditor even asks.
How to Prepare for a CRA Audit: Your First 48 Hours
The first two days set the tone for the entire audit — read the letter carefully, then start gathering records instead of guessing what the CRA wants.
Here’s the plan:
- Read the letter twice and note the exact tax years and issues under review
- Gather your receipts, bank statements, invoices, and last year’s tax return for the relevant years.
- Do not call the auditor back without your notes in front of you
- If the deadline feels too tight, professional CRA tax audit help can buy you time by requesting the extension properly.
- Authorize a representative if you want one to speak for you (Form AUT-01)
A person who does this in the first 48 hours usually avoids the scramble that turns a routine review into a stressful month. Your rights during that process are spelled out clearly by the CRA itself — which is worth knowing before you say anything.
What CRA Audit Support Services Actually Cover
CRA audit support services mean a professional handles the CRA correspondence, organizes your documents, and represents you at every stage of the review.
At Intax, that means over 25 years of combined experience working Alberta’s tax rules, paired with a flat, transparent fee — no hourly surprises while the audit drags on. One Intax client undergoing a GST review described the process as far less stressful once someone else handled the back-and-forth with the CRA.
A good support service should be able to answer, specifically:
- Will you speak to the CRA directly, or just prepare documents for me?
- What’s included in a flat fee, and what isn’t?
- How many CRA audits has your team handled?
The CRA’s own risk-assessment audit reports acknowledge the process is designed to be consistent for every taxpayer, not adversarial (Canada Revenue Agency, Internal Audit — Risk Assessment and Audit File Selection, 2016). Professional support helps ensure the audit process is handled efficiently and that your rights are protected throughout.
Your Rights During a CRA Audit
During an audit, Canadian taxpayers are still entitled to a specific set of rights — this includes being able to select their own representative and being treated with courtesy and professionalism throughout.
Under the Taxpayer Bill of Rights, you’re entitled to name a representative to handle matters on your behalf—a tax lawyer, accountant, or advisor—to deal with the CRA directly. to deal with the CRA on your file directly (Canada Revenue Agency, Taxpayer Bill of Rights). You’re still legally responsible for what’s reported, but you don’t have to be the one on the phone.
Two rights matter most during an audit:
- The right to tax audit representation in Canada by a person of your choice
- The right to complete, accurate, clear, and timely information from the CRA
Most guides on this topic mention the Bill of Rights in passing. Few point out that it’s the CRA’s own commitment — not a courtesy your representative has to argue for. Knowing the rules protects you if an interaction ever feels rushed or unclear.
If You Disagree: Filing a Notice of Objection
If the CRA reassesses you and you disagree, you have 90 days from the date on the notice to file a formal Notice of Objection.
The objection goes to the CRA’s Appeals Division, which is separate from the audit team that made the original decision (Canada Revenue Agency, Objections and Appeals). If you miss the 90-day deadline, and you can still apply for an extension — but only within one year of the original deadline, and only with a valid reason.
An objection needs to include:
- The specific facts and reasons you disagree
- Supporting documents for each issue raised
- A clear statement of the relief you’re seeking
A well-built objection resolves many disputes without ever reaching the Tax Court of Canada — which is the next step if the CRA confirms its position.
The Real Cost of Waiting on a CRA Reassessment
The CRA charges 7% interest as of the third quarter of 2026 — and it starts accruing whether or not you’re disputing the amount.
The CRA charges 7% interest on overdue tax balances — four points above its 3% base prescribed rate, which has held steady through Q3 2026 (Canada Revenue Agency, Prescribed Interest Rates, 2026). This interest compounds daily and keeps accumulating even while an objection is under review, since disputing an assessment doesn’t pause the clock.
On a $20,000 balance, that’s roughly $1,400 a year in interest alone — before any penalties. Responding fast, with the right documents the first time, is what actually limits the damage. And that’s the whole point of moving in the first 48 hours instead of the first 48 days.
Conclusion
A CRA audit runs on documents, deadlines, and your right to have someone else handle the calls — not on luck. The right CRA audit support services turn a stressful audit into a manageable process. with a known, flat cost.
If you’ve received a letter, book a free consultation with Intax and talk through your first 48-hour plan before you respond to the CRA.
Frequently Asked Questions
Q: How long does a CRA audit take?
A: It depends on the complexity of the file — a correspondence audit for one claim can close in weeks, while a full field audit can run past a year (Canada Revenue Agency, Business Audits). Organized records shorten it.
Q: Can an audit defense accountant represent me during a CRA audit?
A: Yes. The Taxpayer Bill of Rights gives every taxpayer the right to be represented by a person of their choice, including a CPA, accountant, or tax lawyer. (Canada Revenue Agency, Taxpayer Bill of Rights).
Q: What happens if I miss the Notice of Objection deadline?
A: Within one year after the original 90-day deadline, you may request an extension; however, you must provide a valid explanation for the postponement (Canada Revenue Agency, Objections and Appeals).
Q: Does interest stop while I’m disputing a CRA reassessment?
A: No. While an objection is being considered, interest on the disputed amount continues to accrue at the CRA’s prescribed rate, which is 7% as of Q3 2026.
Q: What triggers a CRA audit for a small business?
A: The CRA’s risk-assessment criteria (Canada Revenue Agency, Business Audits) identify several common red flags, including income reporting inconsistencies, deductions that are large relative to income, and business losses that recur over multiple years.
