Help please submitting defence to the courts for 10 min overstay in car park

[Em9876]

Driver was holidaying.

[ostell]

If you acknowledge the claim, after day 5, you have 33 days from the date of issue to get your defence to court.

Their trading association requires they give a minimum10 minutes grace at the end of parking before issuing a charge.

How do they justify the amount?

[Em9876]

Thanks