A single mutual fund can come in half a dozen versions. In Canada they're called series: an advisor-sold series with an embedded trailing commission, a fee-based series without one, an institutional series, a distribution series that pays a monthly cash flow. In the US they're share classes: front-load A shares, level-load C shares, institutional and advisory classes, and - since late 2025 - ETF share classes of the same mutual fund. Every version holds the same portfolio. What changes is what it costs, how it's sold, and who gets paid.
That makes share classes a Know-Your-Product question that's easy to overlook. A firm can do thorough due diligence on a fund's strategy, manager and risk, and still have an incomplete KYP file if it hasn't assessed the cost and compensation structure of each class it makes available. CIRO's KYP rules name "initial and ongoing costs and the impact of those costs" as one of the elements every assessment must cover,[1] and for a fund with multiple classes, that element is different for each one.
This paper sets out what the firm and the individual advisor need to know about the share classes and series of the funds they offer. It covers the regulatory basis in Canada and the US, the features that differ between classes, how to assess the impact of cost differences, how to build and maintain an inventory of classes, and what approval, monitoring and documentation look like at the class level.
Its scope is the product: the classes that exist, what each one costs, and which ones the firm makes available. Choosing a particular class for a particular client is a separate decision and isn't covered here.
Costs are a named element of KYP in Canada and a core part of product-level diligence in the US. Rule changes on both sides of the border over the past few years have also reshaped which classes exist and how visible their costs are.
CIRO's Rule 3301 requires a dealer to assess the securities it makes available, including their "structure, features, risks, initial and ongoing costs and the impact of those costs." Rule 3302 requires each Approved Person to take steps to understand the same elements.[1] NI 31-103 section 13.2.1 applies equivalent obligations to other registrants.[1]
Joint CSA/CIRO Staff Notice 31-368 addresses costs at several points in its KYP guidance:[2]
Three recent changes affect which series exist and how their costs are seen:
The last change has a direct KYP consequence. Once clients see series-level fund expenses on their annual reports, a firm whose KYP files don't accurately capture the costs of each series it offers will be the least-informed party in the conversation.
The first component of Reg BI's Care Obligation requires a broker-dealer to understand the potential risks, rewards and costs associated with a recommendation.[6][7] The SEC's adviser interpretation requires a reasonable investigation into the investment, sufficient not to base advice on materially inaccurate or incomplete information.[8] For a multi-class fund, the costs being understood are those of the specific class.
Share-class costs have been one of the SEC's largest enforcement themes. In March 2019, the SEC announced settlements with 79 investment advisers returning more than $125 million to investors, finding that they had placed clients in share classes that charged 12b-1 fees "when lower-cost share classes of the same fund were available," without adequately disclosing the resulting conflicts of interest.[9] The cases turned on disclosure and conflicts, but they rested on a product fact the firms knew or should have known: that the same fund was available in classes with materially different costs, and that the difference flowed to the firm.
In September 2025 the SEC announced its intention to grant exemptive relief allowing a single fund to offer both mutual fund and exchange-traded share classes,[10] and in November 2025 it issued the first such order, to Dimensional Fund Advisors. The order's conditions require the fund board to determine, initially and annually, that the structure continues to serve the best interests of both ETF and mutual fund shareholders.[11] For KYP, it adds a class type whose trading, pricing and cost mechanics differ from its sibling mutual fund classes, even though the portfolio is shared.
| KYP Point | Canada | United States |
|---|---|---|
| Are costs part of the product assessment? | Yes - initial and ongoing costs and their impact are named in the rules | Yes - the risks, rewards and costs of what is recommended must be understood |
| Where are class costs disclosed? | Fund Facts and ETF Facts documents, prospectus, and from 2026, annual cost reports | Prospectus fee table for each class, and statement of additional information |
| Recent structural changes | DSC ban and OEO trailer ban (2022); total cost reporting (2026) | ETF share class relief (2025) |
| Compensation and conflicts | KYP policies should address conflicts arising from compensation structure | Share class conflicts a major SEC enforcement focus |
The fund-level assessment - strategy, manager, risk - applies to every class. What the class-level assessment adds is everything that differs between them.
| Feature | What to Capture | Examples |
|---|---|---|
| Sales charges | Any charge on purchase or redemption, its schedule, and any waivers or breakpoints | Front-end load; US contingent deferred sales charge; legacy Canadian DSC schedules still running off |
| Ongoing fund costs | Management fee, administration and operating expenses, and the total expense ratio or MER | Canadian MER; US total annual fund operating expenses from the prospectus fee table |
| Embedded distribution payments | Any trailing commission or distribution fee paid out of the class, and to whom | Canadian trailing commissions; US 12b-1 fees |
| Trading costs | Portfolio transaction costs, and for exchange-traded classes, bid-ask spreads and premiums or discounts to NAV | Trading expense ratio; ETF spreads |
| Eligibility and minimums | Who can buy the class, through what type of account or platform, and minimum investments | Fee-based series; institutional classes; advisory-platform classes |
| Distribution features | Payout policies and their character | Canadian T-series paying a fixed monthly distribution that may include return of capital |
| Conversion and exchange features | Automatic conversions and exchange privileges between classes | US C shares converting to A shares after a set period; switches between Canadian series |
| Compensation to the firm | What the firm and its registered individuals receive from each class | Trailers, 12b-1 fees, revenue sharing |
The last row is where KYP and conflicts meet. The notice expects KYP policies to address conflicts "arising from compensation structure,"[2] and the SEC's share class cases arose from exactly that.[9] A class-level KYP file that records costs to the investor but not payments to the firm is incomplete.
The rules don't stop at listing costs. They ask for "the impact of those costs,"[1] and the notice asks individuals to understand "how those costs affect performance."[2] For share classes, the clearest way to show impact is to compare classes of the same fund side by side over a meaningful period.
The table below uses a hypothetical fund returning 6% a year before costs, with $100,000 invested for ten years and costs deducted annually. The expense levels are illustrative and don't describe any real fund.
| Hypothetical Class | Annual Cost | Value After 10 Years | Reduction Due to Costs |
|---|---|---|---|
| Before any costs | 0.00% | $179,085 | - |
| Class with embedded distribution fee | 2.00% | $146,325 | $32,760 |
| Fee-based or advisory class | 1.00% | $161,961 | $17,124 |
| Institutional or ETF class | 0.25% | $174,658 | $4,427 |
Two cautions keep this honest. First, classes aren't always directly comparable: a fee-based series excludes a trailer but is typically held in an account that charges a separate advisory fee, which a fund-level comparison doesn't show. The assessment should record what each class's cost includes and excludes. Second, the figures are mechanical; they illustrate the scale of cost differences, not expected returns. What KYP requires is that the firm and its people understand that scale for the classes they actually offer.
Many firms maintain their approved list at the fund level. That's not enough for share classes. A class-level inventory records, for every fund the firm offers or holds:
The inventory is what makes class-level monitoring possible. Without it, a fee change in one series, a new lower-cost class, or a class closure can happen without anyone at the firm connecting it to what's on the shelf.
Share classes need to be approved, monitored and documented at the class level, with responsibilities at both the firm and the individual level.
In the KYP HubHow products are approved onto the shelf, whatever their type: Product Approval.
Approval for a multi-class fund has two layers. The fund-level approval covers what every class shares: strategy, manager, portfolio and risk. The class-level approval decides which classes the firm makes available, on which platforms, and records the cost and compensation features of each. The notice expects approval documentation to show "meaningful consideration" of the key elements assessed;[2] for classes, the key elements are costs, compensation and features.
In the KYP HubHow monitoring rules, the engine and alerts work: Material Change. What happens when an alert fires: From Alert to Decision. When a change should reopen KYP: Material Change: When to Reopen a KYP Assessment. The same lifecycle for other security types: equities, structured products, segregated funds and annuities, model portfolios and alternatives and private markets.
A change in costs or fees is on the notice's list of significant changes.[2] For multi-class funds, most of those changes happen at the class level and won't show up in fund-level monitoring of performance or risk. Typical class-level significant changes include:
In the KYP HubWhat the KYP file must show: KYP Documentation: What Your File Must Show. How supervision tests it: Supervising a KYP Program.
The example below shows what a written process for share-class KYP might cover. It's illustrative; processes can vary with a firm's business model and the funds it offers.[2]