I've been on vacation, but can add a short caution note here. I had a UA board member sign up a few friends before I left, via this promo (or it sounds like this one) as he too had these referral forms. Hope it works for those above, but please note the ones I saw qualified you both for bonus ONLY if using the higher booking class coach fares. Worth checking on that part of it before you go into it, as for It'l those can be double or treble a UA discounted W or V or Q fare etc.