Originally Posted by tth6133

I don't think in your case you'll be treated differently whether you attach your certificate to a random reservation and cancel it post August or simply leave it floating. On the other hand, if you have a hotel and date in mind, and its price (in terms of MR points) will go up in August or your date may fall within the peak season next year, you'd be better off book it now (assuming it's bookable) to lock in the lower price.