Those three institutions within the federal government have banking expertise. Certain people who work there can therefore be called upon to assist Canada Post.
Partnerships must also be established to offer certain services. Consider Switzerland, for example. PostFinance is the Swiss bank for many services. However, if you want a mortgage, it will be provided by a private bank. If you want to invest in the stock market, that is also done through a private institution. Partnerships can therefore be established with other institutions for certain services.
It is preferable to start out cautiously. We can begin with certain services. We can conduct trials by offering a few services in certain regions. If that works, then the range of services can be expanded.