Final answer:
Sam should check his myRECA account or use the find a professional tool on RECA's website to confirm his authorization to trade in real estate. The correct answer is option C.
Step-by-step explanation:
To confirm his authorization to trade in real estate, Sam should check his myRECA account or use the find a professional tool on RECA's website. This is the most direct and reliable method to verify his current registration status with the Real Estate Council of Alberta (RECA).
By logging into his myRECA account, Sam will have access to all his licensing information, including whether he is authorized to trade in real estate. Alternatively, the find a professional tool is a public facing feature on RECA's website that allows anyone to search and confirm the status of a real estate professional. The correct answer is option C.