The CV32 appears have to do with ballots requested more than 10 days before the election, and the CV33 is for requests from 10 days to election day.)
I think that was the quote in the article. I started wondering why they would have that time range, and why they were important for get-out-the vote campaigns, but just decided it wasn’t really important in this case.
Forms that are used by some election egg head gurus for some reason.