I think it’s odd that they sent you this before decisions even came out, but I noticed that they told you “supplemental course” requirements. Just a guess, but did you fill out a course...
I saw that the people who got accepted to Csulb have until may 1st to accept their admissions, which leaves the people who got waitlisted to probably get the notice a new days after
I’m pretty sure my school sent it properly because I used the official transcript on cas to apply to a school a few weeks ago. But I will definitely double check and ask, thank