In my account they are issued... and used.
Look below, i have 2 DSU categories
And they are only 2 issued for this year... anyway a way or another it's one more hyatt IT crazy stuff. They really suck.

PS : 14 minutes to get someone on the phone... Congrats!

Awards
Earned:2
Redeemed:2
Available:0
Expiration: 28 Feb 2017

Awards
Earned:4
Redeemed:1
Available:3
Expiration: 29 Feb 2016