"UKPC compaint"

I am complete agreement with the gentleman who has mad a complaint about UKPC. My mother who is disabled/wheelchair bound, and myself; the driver of her Disabled access adapted vehicle are receiving exactly the same treatment from UKPC. As we were also waiting a reapplication for a Blue Badge, we arrived at the hospital in more than good time to get a parking space within the car park in Lewsey Road. On arrival we waited in a queue of cars for some time, who were also waiting to get into it. As we still had time I decided to drive to one of the back roads to try and park and then wheel mum to the hospital to her appointment. Unfortunately, all the road markings have now changed and they all seem to be permit holder only spaces. I drove back around the Lewsey road and the queue was till there, I drove to the back of the hospital - no spaces there. Time was getting closer to the appointment, so I had no choice but to park in one of the disabled access parking bays, of which there was plenty, I wrote a note explaining the situation, paid for a parking ticket, got mum out of the vehicle, ran with her in her wheelchair to the security office to explain - who I must say were very unhelpful and borderline rude, and told me I Will get a ticket. So I ran with mum in her wheelchair back to the vehicle..a total of 6 minutes had lapsed since I left the vehicle..But too late! a ticket had been put on the window screen. With the attendant just walking away, I managed to catch him and tell him there was a note in the window, he too was dismissive, but did tell me to appeal, which I did. On arriving to mums appointment I explained to the Nurse as she could see I was clearly upset and dismayed at what we had to go through to get to the appointment at the Diabetic clinic on time. She kindly wrote a letter for me to send along with our appeal to UKPC. We have not had a reply to the appeal.. But we have just received an invoice for £70 now!.. an elderly disabled woman on a pension and myself her carer receiving hardly enough to feed a cat .. Its an absolute outrage! We would be very grateful for any advice please?