It won't be from the CRA as that is for your personal income not business related. Look up business incorporation Canada or business license application Canada and go through their application to get your BN.
I will have to dig it out, was a company I had 12 years ago, probably gonna have old addresses and such
My Amazon was set up in a family member's name, am I gonna have issues with names
You will need to register the business again to get the company active again, and that will give you a new BN and hard copy of such.
Make sure all the info on new license matches what you plan to submit for INFORM.