Reference
The rules behind a claim, in plain language. Every rate, limit and date on these pages is read from the same table SREDDY computes claims with, and every worked example is the engine's own output — so what you read here is what the software does.
The Alberta Innovation Employment Grant, explainedWhat the IEG is, who gets it, how the 8% and 12% parts are worked out, and two examples from Alberta's own guide, calculated step by step.
Read →
Federal SR&ED tax credit rates and limitsThe 35% and 15% investment tax credit rates, the expenditure limit and how taxable capital reduces it, what is refundable, and the proxy, contract and salary rules behind the qualified figure.
Read →
SR&ED deadlines: federal and AlbertaWhen the T661 has to reach CRA, when Alberta's Schedule 29 has to reach TRA, why they differ, and the dates for common year ends.
Read →
Proxy versus traditional: the overhead electionWhat the choice on Form T661 actually decides, the 55% proxy amount, when each method wins, and a worked comparison from the engine.
Read →
What qualifies as SR&EDThe three questions CRA asks of any project, what counts and what is excluded, how software work is judged, and the three write-ups the T661 requires.
Read →
What SR&ED consultants costHow contingency pricing works, what the 15–25% range means at real claim sizes, what you are paying for, and when a flat fee makes more sense.
Read →
SR&ED terms in plain languageThe words on the forms and in the rules, each explained in a sentence or two, with the number attached where there is one.
Read →
Looking for how to use SREDDY rather than how the rules work? That is the guides.