Carers element of UC

My Youngest son who still lives at home with me cares for both me and his older brother who lives alone. He claimed uc in April and was exempt from looking for work and had me down as the person he cared for. I don’t get pip as awaiting appeal (jan) since sept 2017 ! His brother does get pip ( daily living). He had a commitments review with his wc last week and she told him to go online and report a change of circumstances and change it to his brother and come back this week for another commitments review which he did. He now has to go back next month for yet another review and is expected to show proof of looking for work for 35 hours a week and if he doesn’t he will be sanctioned. Is this right ? He doesn’t claim Carers Allowance for his brother as when my pip is sorted he will claim it for me plus it will affect his brothers benefits if he claims it for him. With all the time he spends looking after us two (over 35 hrs each) how can he be expected to do this.

Yes it was the same advisor
My other son is now panicking that he will lose his SDP so my youngest has had to do another change of circumstances back to me. We ticked the box that I wasn’t getting a qualifying benefit but it says if you have applied for one and are waiting to hear tick yes, so if I’m waiting for pip appeal does that apply ? As technically I am waiting. He is also going to claim Carer’s Credit but not sure if he needs too. He is very shy Gordon and just agrees with everything and very compliant so won’t push.