Ontario corporations: the Corporations Information Act annual return and the OBR
OBCA annual return under the Corporations Information Act, its 2021 move to the Ontario Business Registry, 15-day notices, and the transparency register.
For a corporation incorporated under the Ontario Business Corporations Act (OBCA), the yearly government filing does not come from the OBCA at all. It comes from the Corporations Information Act (CIA) and its General regulation, and since 2021 it is made through the Ontario Business Registry (OBR) rather than bundled with the corporate tax return. The transparency register that arrived in 2023 is a separate duty with no filing attached. This article sets out who files, when, what the return contains, and what the register requires.
Which corporations file, and which do not
Every corporation, other than a class exempted by regulation, must file a return each year with the Minister in the prescribed manner and within the prescribed time (CIA s. 3.1(1)). The regulation then exempts everyone except three classes: corporations subject to the Business Corporations Act, corporations subject to the Corporations Act, and foreign corporations holding a licence endorsed under the Extra-Provincial Corporations Act (Reg. 182 s. 6(2)).
That list matters for founders who incorporated federally. A federal corporation carrying on business in Ontario does not file an Ontario annual return. It files an initial return within 60 days after it begins to carry on business in Ontario (CIA s. 3(2)), a notice of change within 15 days of any change to the filed information, and its own annual return with Corporations Canada within 60 days of its anniversary date (Corporations Canada, annual return).
When it is due
A corporation that must file a tax return under section 150 of the Income Tax Act (Canada) delivers the Ontario annual return within the time period for delivering that tax return for its last completed taxation year (Reg. 182 s. 2.3(4)). The Canada Revenue Agency requires the T2 within six months after the end of each tax year (CRA, when to file), which is why the OBR page states that corporations must file an annual return each year within six months of their fiscal year end (Ontario Business Registry).
The return is delivered in electronic format (Reg. 182 s. 2.3(2)). Practically, that means through the OBR directly, or through an intermediary such as a lawyer or accountant who has been given the corporation's company key, the nine-digit code the ministry issues for each entity.
What changed in 2021
Until 2021 the Ontario annual return travelled with the T2. Ontario's own service page records the end of that arrangement: "On May 5, 2021, the Canada Revenue Agency stopped accepting corporations' annual returns on behalf of the ministry" (OBR, all services). The regulation was amended the same year (O. Reg. 335/21) and carries a transitional exemption for corporations whose annual return fell due on or after May 15, 2021 and before the new filing provisions came into force (Reg. 182 s. 6(4)).
The OBR launched on October 19, 2021, and business information for entities registered or incorporated before that date was migrated from the previous system (Ontario Business Registry).
What the return contains
The annual return sets out, as of the date of delivery: the year of the return; the name of the corporation; its Ontario corporation number; the date of incorporation or amalgamation, whichever is most recent; the address of the head or registered office; for an extra-provincial corporation, the jurisdiction of incorporation; and whether there has been any change in the information in the most recent notice or return filed under the Act, together with all such changes (Reg. 182 s. 2.4).
The OBR lists the Ontario corporation filing as a single form, "Initial Return/Notice of Change/Annual Return by an Ontario Corporation", and lists it by function rather than by the "Form 1" number practitioners use as shorthand. An annual return that reports no change is still a return.
Initial return and notice of change: the other two filings
The annual return is the third of three CIA filings. An Ontario corporation files an initial return within 60 days after the date of incorporation, amalgamation or continuation (CIA s. 2(2)). Thereafter it files a notice of change for every change in the filed information within 15 days after the change takes place (s. 4(1)). Two exceptions: no notice is needed for a director's retirement and re-election for the next term (s. 4(3)), and an Ontario corporation that changes only its name does not file a notice of change (s. 4(4)), because the articles of amendment already record it.
The transparency register, in force since January 1, 2023
Separately from the CIA, the OBCA requires every corporation to keep a register of individuals with significant control at its registered office or another place in Ontario the directors designate (OBCA s. 140(1)(f) and s. 140.2(1)). The provision was added by 2021, c. 40, Sched. 2 and came into force on January 1, 2023. Ontario's registry page states the duty the same way: as of that date, corporations must keep their beneficial ownership information on file at the registered or head office and provide it on request to law enforcement and to regulatory and tax authorities.
An individual with significant control is one who holds, beneficially owns, or has direct or indirect control or direction over a significant number of shares, meaning 25% or more of the voting rights or 25% or more of all outstanding shares by fair market value, or who has direct or indirect influence that, if exercised, would result in control in fact (s. 1.1). Joint holders and those acting in concert each count (s. 1.1(4)).
The register records each individual's name, date of birth and latest known address, jurisdiction of residence for tax purposes, the day they became or ceased to be an individual with significant control, a description of how they qualify including their interests and rights in shares, any prescribed information, and a description of each step the corporation took to keep the register current (s. 140.2(1)). At least once each financial year the corporation must take reasonable steps to confirm the register is accurate and complete (s. 140.2(3)); new information must be recorded within 15 days of the corporation becoming aware of it (s. 140.2(4)); shareholders asked for information must reply promptly, accurately and completely (s. 140.2(5)). Offering corporations, corporations listed on a designated stock exchange, and their wholly owned subsidiaries are excluded (s. 140.2(8)).
Unlike the federal regime, as of publication nothing is filed publicly. That may change: section 6.1 of the Corporations Information Act, "Return re individuals with significant control" (enacted by 2025, c. 15, Sched. 4, s. 1), would require a corporation subject to OBCA s. 140.2 to file a return about its individuals with significant control if the regulations so require; it has been enacted but is not yet in force, and would create the filing obligation on proclamation (CIA s. 6.1). Today the register is disclosed on request to police, to officials administering tax laws, and to the Ontario Securities Commission, the Financial Services Regulatory Authority of Ontario, FINTRAC and prescribed bodies (s. 140.3).
What non-compliance costs
Contravening the CIA is an offence carrying a fine of up to $2,000 for a person and up to $25,000 for a corporation (CIA s. 14(1)). More immediately, a corporation in default of a CIA filing or with unpaid fees cannot maintain a proceeding in an Ontario court in respect of its business except with leave (s. 18(1)). A corporation that contravenes the transparency register provisions without reasonable cause is liable to a fine of up to $5,000, and a director or officer who knowingly authorizes, permits or acquiesces in the contravention, or knowingly records false information, faces a fine of up to $200,000, imprisonment of up to six months, or both (OBCA s. 258.1).
A one-page calendar
| Trigger | Obligation | Source |
|---|---|---|
| Incorporation + 60 days | Initial return | CIA s. 2(2) |
| Any change to filed information, within 15 days | Notice of change | CIA s. 4(1) |
| Financial year end + 6 months (the T2 period) | Annual return through the OBR | CIA s. 3.1; Reg. 182 s. 2.3(4) |
| Financial year end + 6 months | T2 corporation income tax return | CRA |
| Incorporation + 18 months, then every 15 months | Annual meeting of shareholders | OBCA s. 94(1) |
| Once each financial year | Reasonable steps to update the transparency register | OBCA s. 140.2(3) |
| Within 15 days of becoming aware | Record transparency register information | OBCA s. 140.2(4) |
Misolla tracks these Ontario deadlines and prepares the filings for a lawyer's approval before anything is sent to the registry.
This article is general information, not legal advice; a lawyer must review your specific situation.
Do federal corporations file an Ontario annual return?
No. Regulation 182 under the Corporations Information Act exempts every corporation from the annual return except corporations subject to the Ontario Business Corporations Act, corporations subject to the Corporations Act, and foreign corporations licensed under the Extra-Provincial Corporations Act. A federal corporation that carries on business in Ontario files an initial return under section 3 of the Corporations Information Act within 60 days of starting, files notices of change within 15 days, and files its annual return with Corporations Canada.
When is the Ontario annual return due?
Within the time period for delivering the corporation's income tax return for its last completed taxation year, under section 2.3(4) of Regulation 182. The Canada Revenue Agency requires the T2 within six months after the end of the tax year, which is why the Ontario Business Registry describes the annual return as due within six months of the fiscal year end.
Is the Ontario transparency register filed or public?
Neither. Under section 140.2 of the Ontario Business Corporations Act the register of individuals with significant control is kept by the corporation at its registered office or another place in Ontario the directors designate. Under section 140.3 it is disclosed on request to police, to officials administering tax laws, and to listed regulators such as the Ontario Securities Commission, the Financial Services Regulatory Authority of Ontario and FINTRAC. As of publication it is not filed with the registry and is not on the public record. Section 6.1 of the Corporations Information Act (2025, c. 15, Sched. 4, s. 1), a return about individuals with significant control, has been enacted but is not yet in force; on proclamation it would create a filing obligation if the regulations require it.
- Corporations Information Act, R.S.O. 1990, c. C.39 — ss. 2, 3, 3.1, 4, 14, 18, and s. 6.1 (enacted, not in force)ontario.ca
- R.R.O. 1990, Reg. 182 (General) under the Corporations Information Act — ss. 2.3, 2.4, 6ontario.ca
- Ontario Business Registry — overview (launch date, annual return timing, company key)ontario.ca
- Ontario Business Registry — all services (CRA stopped accepting annual returns; beneficial ownership information)ontario.ca
- Business Corporations Act, R.S.O. 1990, c. B.16 — ss. 1.1, 94, 140, 140.2, 140.3, 258.1ontario.ca
- Canada Revenue Agency — When to file your corporation income tax returncanada.ca
- Corporations Canada — Annual return, business corporations (for federal corporations carrying on business in Ontario)ised-isde.canada.ca