Board Thread:Support Requests - Getting Technical/@comment-3247345-20130905022845/@comment-1975320-20130905053950

If you are a sysop, there should be one. But you can also find it the same way I did: Try to block a random person, when you are on the page where you specify for how long and such, there should be a little line in the bottom right corner saying something like "Edit block reasons"