Why Your Tax Accountant Need RC59 Authorization? How it Helps Businesses

The RC59 Authorization form allows Canadian businesses to authorize a tax professional or accountant to access and manage their tax information with the Canada Revenue Agency (CRA). This helps streamline communication, ensure accurate tax filings, and handle audits or inquiries efficiently. By delegating CRA access through RC59, businesses save time, reduce errors, and stay compliant—making it a crucial step in effective tax planning and management.
Taxccount Canada Team

What is RC59?

Empowering your tax representative with CRA access – the smart way to manage taxes.
The RC59 Business Consent Form is a key tool for Canadian businesses looking to streamline their communications with the Canada Revenue Agency (CRA). This form authorizes a third party—like your tax accountant in Toronto, business consultant, or accounting firm—to access and manage your company’s tax information directly with the CRA.For small businesses, startups, and growing corporations, this form isn’t just paperwork—it’s a game-changer for efficient tax management and proactive tax planning in Canada.

Why Your Business Needs an RC59 Authorization

Stay compliant, save time, and avoid costly tax mistakes.

Whether you run a consultancy in Mississauga, a medical clinic in Toronto, or a franchise across Canada, you likely don’t have the time (or desire) to deal with CRA calls, audits, or data requests. That’s where an authorized tax representative comes in.

With the RC59, your representative can:

  • Communicate with the CRA on your behalf
  • Access and review tax filings
  • Respond to CRA notices and audit requests
  • Make account changes or inquiries
  • Correct filing errors swiftly and efficiently

How to Fill Out the RC59 Form

A simple form that offers big relief.To complete the RC59 authorization, you’ll need:

  • Your 9-digit Business Number (BN)
  • Your legal business name
  • Authorized signatory details (e.g., director or officer)
  • Contact info for both your business and the representative

Once submitted to the CRA, your tax accountant gains permission to deal with CRA directly, helping you handle corporate taxes, HST/GST filings, payroll matters, and more.

RC59 vs. Other CRA Authorization Forms

Don’t get confused—here’s what sets RC59 apart.


While there are various CRA forms for individuals and businesses (like T1013 for personal tax authorizations), RC59 is specifically for businesses and their interactions with CRA on corporate tax matters.


If your representative needs online access via CRA My Business Account, they’ll use the RC59 Business Consent and submit the authorization through Represent a Client (RAC) portal.

Benefits of Using a Professional Tax Accountant in Toronto

Let the pros handle CRA – so you can handle your business.

At Taxccount Canada, our certified professionals help:

  • Submit your RC59 form promptly
  • Manage all CRA communications
  • Handle corporate tax filings and adjustments
  • Proactively identify tax-saving strategies
  • Keep your books compliant, current, and audit-ready

We support businesses across Toronto, Mississauga, and the Greater Toronto Area (GTA) and work with clients coast to coast.

Who Should Use RC59?

Any Canadian business that wants to avoid CRA confusion.

  • Startups seeking help with first-time corporate tax filing
  • Franchises and retail owners needing frequent CRA access
  • Professional services (law firms, consultants, real estate brokers)
  • Import/export businesses dealing with GST/HST rebates
  • Manufacturers and trades needing accurate reporting and compliance

If you’re a business owner juggling tax deadlines, CRA notices, and endless paperwork, the RC59 is your shortcut to peace of mind.

Get Expert Help with RC59 Authorization Today

Don’t let CRA complexity hold your business back.


Let Taxccount Canada handle your RC59 business authorization and full-service tax support. Our team of experienced tax professionals will:

  • Complete your RC59 and submit it to CRA
  • Communicate with CRA on your behalf
  • Provide accurate tax planning tailored to your business
  • Maximize your credits and minimize your liabilities

Simplify Your CRA Tax Authorization Process

RC59 isn’t just a form it’s your gateway to smoother tax operations.
By authorizing a trusted tax advisor to manage your CRA interactions, you’re not just ticking a compliance box—you’re investing in smarter tax planning, better business decisions, and peace of mind.
Ready to authorize Taxccount Canada to handle your CRA matters?

tax accountant toronto RC59
taxation accountant

Frenquently Asked Questions

What is an RC59 form in Canada?

The RC59 form is a CRA authorization document that allows a business owner to authorize a tax accountant, consultant, or other representative to access and manage their corporate tax matters with the Canada Revenue Agency.

Why do I need an RC59 authorization for my business?

RC59 simplifies your tax responsibilities by allowing a professional to handle CRA communications, review tax filings, respond to audits, and ensure tax compliance—saving you time and reducing errors.

Can a tax accountant in Toronto file the RC59 for me?

Yes, a qualified tax accountant in Toronto or anywhere in Canada can prepare and submit the RC59 form on your behalf through the CRA’s Represent a Client (RAC) portal.

Is the RC59 form necessary for small businesses and startups?

Absolutely. Whether you're a startup or small business, having an RC59 ensures smoother tax management and helps avoid costly mistakes with CRA interactions.

What’s the difference between RC59 and T1013?

RC59 is used for business (corporate) tax authorization, while T1013 is used for individual tax authorizations. RC59 is essential if your business needs a representative to handle CRA matters.

Is RC59 authorization permanent?

No. You can revoke or update your RC59 authorization at any time by submitting a new form or request to the CRA.

How does RC59 support tax planning in Canada?

By allowing your tax advisor to access full CRA records, RC59 makes it easier to identify deductions, optimize tax strategies, and ensure your business remains compliant—all essential for tax planning in Canada.

Who can sign the RC59 form?

An authorized individual like a company director, officer, or owner can sign the RC59 form on behalf of the business.

Still Searching for the Answer You Need?

or