Table of Contents
- 📊 1. What Is Investment Income in a Corporation?
- ⚖️ 2. Investment Income vs Business Income
- 📊 3. Types of Investment Income (Real Examples)
- 🧩 4. Why Investment Income Tax Is Complex
- 📊 5. Corporate Investment Income Tax Rates
- 📊 6. Example: Interest Income (Corporate vs Personal)
- 🔄 7. Capital Gains in a Corporation
- 🧾 8. Dividend Income in a Corporation
- 🏢 9. Connected vs Portfolio Dividends
- 💰 10. RDTOH (Refundable Tax Explained)
- 🔢 11. How Refundable Tax Is Calculated
- 💻 12. Flow Through Example (Tax Software View)
- 💻 13. Dividend Income Flow (Part IV Tax Example)
- 💸 14. Paying Dividends and Tax Impact
- 🧾 15. NERDTOH vs ERDTOH (New Rules)
- 🔄 16. Full Flow Example (Putting It All Together)
- 📦 Final Takeaway
- 🚀 Final Insight
📊 1. What Is Investment Income in a Corporation?
When a corporation earns money without actively running a business, it is called investment (passive) income.
💡 Common Examples
- Interest from savings or GICs
- Dividends from stocks
- Capital gains from selling investments
- Rental income from properties
🧠 Simple Rule
If money is earned from investments, not operations → it is investment income
⚖️ 2. Investment Income vs Business Income
Not all corporate income is taxed the same.
📊 Key Difference
| Type | Source | Tax Rate |
|---|---|---|
| Active Business Income | Running a business | ~12% |
| Investment Income | Passive investments | ~50% |
💡 Why Higher Tax?
To prevent people from:
- Moving investments into corporations
- Paying lower tax
- Deferring personal tax
📊 3. Types of Investment Income (Real Examples)
💰 Interest Income
- Bank accounts
- GICs
- Bonds
📈 Dividend Income
- Stocks
- Mutual funds
💹 Capital Gains
- Selling investments at profit
🏠 Rental Income
- Owning property and collecting rent
📌 Key Insight
Most small corporations earn:
- Interest
- Dividends
- Capital gains
🧩 4. Why Investment Income Tax Is Complex
The system is complex because it tries to ensure:
📌 You don’t pay less tax just because you used a corporation
⚙️ Moving Parts
- High corporate tax
- Refundable taxes
- Dividend rules
- Personal tax
🧠 Think of It Like a System
All parts work together to ensure fair taxation (integration)
📊 5. Corporate Investment Income Tax Rates
📉 Typical Rates
| Level | Rate |
|---|---|
| Federal | ~38.67% |
| Provincial | ~11%–15% |
| Total | ~50%–55% |
💡 Example
Income: $10,000
Tax: ~$5,000
⚠️ Important
This high rate is intentional, not a mistake
📊 6. Example: Interest Income (Corporate vs Personal)
🏢 Corporation
| Item | Amount |
|---|---|
| Income | $10,000 |
| Tax (~50%) | $5,000 |
| Remaining | $5,000 |
👤 Personal
| Item | Amount |
|---|---|
| Income | $10,000 |
| Tax (~30–50%) | ~$3,000–$5,000 |
💡 Insight
At first glance, corporate tax looks worse… but wait 👇
🔄 7. Capital Gains in a Corporation
📌 Special Rule
Only 50% of capital gain is taxable
📊 Example
| Item | Amount |
|---|---|
| Gain | $10,000 |
| Taxable | $5,000 |
| Tax (~50%) | ~$2,500 |
💡 Effective Tax
👉 About 25% on full gain
🧾 8. Dividend Income in a Corporation
📌 Key Concept
Dividends received from Canadian corporations often:
✅ Are NOT taxed again
💡 Why?
Because tax was already paid at source
🧠 Goal
Avoid double taxation
🏢 9. Connected vs Portfolio Dividends
📊 Comparison
| Type | Ownership | Tax |
|---|---|---|
| Connected | >10% | Tax-free |
| Portfolio | <10% | Part IV tax |
💡 Example
- Own 80% → no tax
- Own 5% → Part IV tax applies
💰 10. RDTOH (Refundable Tax Explained)
This is the core concept.
💡 What Is RDTOH?
A tracking account for refundable tax
📊 How It Works
- Corporation pays high tax
- Part of tax goes into RDTOH
- Refund happens when dividends are paid
🔢 11. How Refundable Tax Is Calculated
📊 Example
| Item | Amount |
|---|---|
| Income | $10,000 |
| Total tax | $5,017 |
| Refundable portion | $3,067 |
| Final tax | $1,950 |
💡 Final Effective Tax
👉 Around 19.5% after refund
💻 12. Flow Through Example (Tax Software View)
🧾 Step-by-Step
- Enter income in Schedule 125
- Identify investment income in Schedule 7
- Apply correct tax rates
⚠️ Mistake to Avoid
If not classified properly:
👉 Tax may be calculated at 12% instead of 50% (wrong)
💻 13. Dividend Income Flow (Part IV Tax Example)
📊 Example
| Item | Amount |
|---|---|
| Dividend received | $10,000 |
| Part IV tax | ~$3,800 |
💡 Important
This tax is fully refundable later
💸 14. Paying Dividends and Tax Impact
🔄 What Happens
- Corporation pays dividend
- Refund is triggered
- Shareholder pays personal tax
📊 Flow
| Step | Result |
|---|---|
| High tax paid | Initially |
| Dividend paid | Refund triggered |
| Personal tax | Final stage |
🧾 15. NERDTOH vs ERDTOH (New Rules)
📊 Two Pools
| Pool | Purpose |
|---|---|
| NERDTOH | Non-eligible dividends |
| ERDTOH | Eligible dividends |
⚠️ Why This Matters
You must:
- Pay correct type of dividend
- To unlock refund
🔄 16. Full Flow Example (Putting It All Together)
📊 Example
Income: $10,000
| Step | Amount |
|---|---|
| Corporate tax | ~$5,000 |
| Refund later | ~$3,000 |
| Final corporate tax | ~$2,000 |
💡 Final Flow
- Earn investment income
- Pay high tax
- Pay dividend
- Get refund
- Shareholder pays tax
📦 Final Takeaway
🧠 What You Must Understand
- Investment income is taxed differently from business income
- High tax upfront is intentional
- Refund system ensures fairness
- RDTOH is key to understanding refunds
- Dividends unlock refunds
🚀 Final Insight
The system is not designed to reduce tax
It is designed to balance corporate and personal taxation
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