Do not try to backfill your technical documentation months after the project finishes. If the CRA audits your SR&ED claim, they specifically look for contemporaneous evidence—meaning Git commit logs, code PRs, Jira tickets, and lab notebooks that were definitively created *on the exact days* the R&D occurred.

2026 Alert: SR&ED Limit Doubled

❓ Common Questions About R&D Grants

What is the new SR&ED limit?

What is the difference between IRAP and SR&ED?

Upfront grant vs. retroactive tax credit.

Can I stack IRAP and SR&ED?

Yes, optimizing for ~88% coverage.

How long does the refund take?

2 weeks to 6 months depending on program.

Does software count as R&D?

Only if there is technical uncertainty.

1. SR&ED Masterclass

The "Why" Test (Technical Uncertainty)

"We built a React website with a MongoDB backend."

Why it fails: Standard libraries, known patterns, no unknown obstacles.

"We built a custom sharding algorithm because MongoDB failed at our specific write-throughput scale."

Why it wins: Standard tools failed. You had to invent a solution.

Federal Rate

For Canadian-Controlled Private Corps (CCPCs) on first $6M.

• Cash Cheque (Not just tax credit)
• Covers Salaries & Materials

Provincial Top-Up

Most provinces reduce your R&D cost further.

• Ontario (OITC): +8% Refundable
• BC: +10% Credit
• Quebec: Up to 30% (Best in Canada)

2. NRC IRAP (The Accelerator)

IRAP pays monthly. You don't have to wait 18 months for a tax return. This is critical for startups burning cash.

Typically covers 80% of internal labour salaries and 50% of contractor costs for the project duration.

A special IRAP stream giving up to $30,000 to hire a recent science/tech graduate.

• Focus on Technical Innovation (not just sales).
• Use terms like "De-risking technology".
• Show you create Canadian jobs.

The "Double Dip" Strategy (Stacking)

Why this matters:

The Refund Timeline

Your accountant prepares your T2 Corporate Tax Return.

You write the "Technical Narrative" explaining the uncertainty and advancement.

You attach the T661 to your tax return. (Deadline: 18 months after year end).

CRA processes the claim. Cheque arrives in your bank (2-6 months typically).

The T661 Masterclass: How to Write a Winning Narrative

Question 1: Scientific or Technological Uncertainty

• Bad: "We needed to build a faster database." (This is a goal, not an uncertainty).
• Good: "We attempted to shard our PostgreSQL database, but standard horizontal partitioning failed due to cross-shard join latency exceeding 200ms. We were uncertain if a custom middleware layer could route queries efficiently enough to meet our SLA."

Question 2: Work Performed

• Focus on the Iterations: "In Experiment A, we tried X, and it failed (System crashed). In Experiment B, we modified the cache coherence protocol, and latency dropped by 10% (Partial Success). In Experiment C...."
• Logs & Git Commits: Your technical narrative should be backed by time-stamped logs (Git commit history, Jira tickets, Lab notebooks). If you are audited, the CRA will ask for these.

Question 3: Technological Advancement

Sector Specific Examples

1. The Software "CRUD" Trap

2. Manufacturing: The "Trial Run"

3. Agriculture (AgTech)

The "Patent Box" (Future Outlook)

SR&ED Claim Killers

No Contemporaneous Docs

Claiming US Contractor Fees

Explore More Funding Options

Related R&D Funding

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