Normal
This usually happens. Sometimes a glitch may mean that blank boxes aren’t showing for some reason, so it’s great you’ve messaged grad rec to see how to best proceed. I’ve seen that the deadline is not until the 18th of July, though it’s best to follow up with GR if the application is rolling or if you’d like to get it submitted earlier for some other reason. They’ll be able to advise better on the specifics of the form for this particular job posting.
