Her first contact coming into the country would have been with CBSA. They would have made inquiries with respect to, first of all, her right of entry and the suitability of her quarantine plan. I don't know the precise circumstances, but I have the benefit of having the president of the CBSA here. If you require that information and if he's able to disclose it, he's available to answer your question.
On March 10th, 2021. See this statement in context.