Bill C-15 received Royal Assent on March 26, 2026, doubling the SR&ED enhanced expenditure limit from $3 million to $6 million, which raises the maximum 35% refundable R&D tax credit from about $1.05 million to $2.1 million per year. The changes apply to tax years beginning on or after December 16, 2024, reinstate capital expenditures as eligible for deductions and credits, and for the first time extend the enhanced 35% refundable rate to certain eligible Canadian public corporations.
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Canada doubles SR&ED refundable R&D credit limit to $6M under Bill C-15
Why this matters for founders
R&D-heavy Canadian founders should revisit their SR&ED claim strategy now, since more of their qualifying spend (including reinstated capital costs like lab and prototyping equipment) can earn a 35% refundable credit up to $6M. Founders who deferred equipment purchases or capped claims under the old $3M limit can file amended or forward-looking claims to recover materially more cash.
Source: Welch LLP
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