Does severance delay my unemployment claim? - 16 weeks in

I was offered severance of 9 weeks after being let go as a mechanic and I am unsure how it affects benefits. This is my first time dealing with any of this. I have a mortgage and need to plan. Did you file straight away?

Rules differ by state. I called the claims line and asked directly, then wrote down the answer and the date.

Before signing, I asked a friend who is a lawyer to look at the agreement. It was a short conversation and worth it.