Hi, I have recently been given a blue badge and registered it at my local Sainsbury store who say that I do not have to bother with getting a ticket or pay for parking in their car park.   Today I received a parking charge notice from Horizon stating that the registered keeper either failed to pay or didn't validate for the duration of his/her stay.   The date of alleged offence is 29th February and I received the first letter today, it is dated 17th March 2020. I u