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It's a SP if a HP is required it will notify you. If it was me I would call. Great customer service same there if HP required they will ask for your approval and you can decline.
I could never get a SP CL with It and I tried for a whole year of having the It. I finally took a HP CLI at the 1 year mark and got it to 5k from 1.2k and then the SP CLI started working. I went from 5k to 9.5k with a SP and then I went from 9.5k to 11k with another SP just recently.
So yeah, you might have to take 1 HP first, but it's different for everybody. Some people get auto-CLI after 3 months of having It and some never do.