The Government has just released the final version of Guideline B-20 . The most significant change that they have added is the "stress test' to uninsured mortgages. What is an uninsured mortgage? One where there is no default insurance secured to the mortgage. If you are putting less than 20% down, your mortgage currently has to be insured through CMHC, Genworth or Canada Guaranty. What most consumers don't realize is that even when putting more than 20% down, many lenders have still been obtaining this default insurance, they just cover the cost it. This is called portfolio insurance and it essentially allows lenders to finance mortgages with lower interest rates to the consumer . As of last year's set of rule changes, the following types of mortgages can no longer be insured: Refinances Rental properties Properties valued over $1M Mortgages with longer than 25 year amortizations Mortgages with 20% down where the contract rate is required to qualify ...