If the APR goes up by more than am 1/8th of a percent then they need to restart the clock on the 3 days. But if it goes down there is no need. APR is not the same as the interest rate.
If the APR goes up by more than am 1/8th of a percent then they need to restart the clock on the 3 days. But if it goes down there is no need. APR is not the same as the interest rate.