I wanted to double check that I'm eligible for the Chase Ink Preferred bonus and also have question about referrals. TIA

1. I'm at 3/24 and have the Ink Cash and Ink UNL. Have had Ink Preferred twice before. Last time was 8/2019-8/2020 (received the bonus in 2019). I have a total of 7 Chase cards split between biz and personal. I think I'm clear but the offer terms do not comment on eligibility in any specific way. I'm worried there might be a 48 months since last bonus or something.

2. If P1 refers from Ink Unlimited, can I apply for a different Ink Preferred and P1 still get the referral bonus?
Edited to add: I just tried referring out from my own Ink UNL and it does allow new app for different Ink card.