What does the federal mortgage stress test, as mandated by OSFI's Guideline B-20, require of borrowers in British Columbia?

Q: What is the correct answer to: What does the federal mortgage stress test, as mandated by OSFI's Guideline B-20, require of borrowers in British Columbia?

The correct answer is Borrowers must qualify at the higher of the contract rate plus 2% or the benchmark qualifying rate. Option B is correct because OSFI's Guideline B-20 requires borrowers to qualify at the higher of the contracted mortgage rate plus 2% or the benchmark qualifying rate (currently 5.25%). This stress test applies to both insured and uninsured mortgages at federally regulated lenders, ensuring borrowers can withstand potential rate increases.

Q: What background knowledge is needed for this Mortgage & Real Estate Finance question?

Guideline B-20 was introduced by OSFI in 2018 (building on earlier stress test requirements for insured mortgages) to ensure that borrowers at federally regulated lenders can handle potential interest rate increases. The qualifying rate formula — higher of (contract rate + 2%) or (benchmark rate of 5.25%) — reduces the maximum amount borrowers can qualify for, effectively acting as a buffer against future rate shocks. In BC's market, where property values are high, this can reduce purchasing power by $50,000-$100,000 or more compared to qualifying at the actual contract rate.

Q: What is a good way to remember the answer to this Mortgage & Real Estate Finance question?

The B-20 formula is simple: take the HIGHER of (contract rate + 2%) or (5.25% benchmark). Think 'High road wins.' Calculate both numbers and use the bigger one as the qualifying rate. When the exam asks about the stress test, look for the answer describing the 'higher of' formula with contract rate plus 2% and the benchmark rate. Answers mentioning down payments, credit scores, or the overnight rate describe different requirements.

Q: What exam tip applies to this Mortgage & Real Estate Finance question?

B-20 is specifically about the QUALIFYING RATE — the rate used to test whether the borrower can afford the mortgage. It is not about down payments, credit scores, or property types. Focus on the rate formula.

Q: How does this Mortgage & Real Estate Finance concept apply in real world practice?

A buyer in Vancouver is offered a 5-year fixed mortgage at 5.0% for a $1,000,000 property. Under B-20, they must qualify at 7.0% (5.0% + 2.0%, which exceeds the 5.25% benchmark). At 7.0%, the lender calculates what their payment would be and requires the buyer to have sufficient income to support that payment. This may reduce the maximum amount the buyer can borrow by $80,000-$100,000 compared to qualifying at the actual 5.0% rate.

Question

Mortgage & Real Estate FinanceBCEASY

What does the federal mortgage stress test, as mandated by OSFI's Guideline B-20, require of borrowers in British Columbia?

Answer Options

A

Borrowers must demonstrate they can afford payments at the Bank of Canada overnight rate

B

Borrowers must qualify at the higher of the contract rate plus 2% or the benchmark qualifying rate

C

Borrowers must have a minimum 20% down payment on all purchases

D

Borrowers must hold a minimum credit score of 720