It depends on the contribution. It's non-repayable if there's a significant public spillover benefit. It's repayable if its a project where the company is looking for non-dilutive patient capital. Each one depends on the project.
Evidence of meeting #13 for Finance in the 43rd Parliament, 1st Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was economy.
A video is available from Parliament.