Times when parking ticket is required
3. Subject to regulation 8 no person shall allow a vehicle to remain parked in a parking place in—
(a)Hyde Park at any time between 08.30 hours and 18.30 hours on Mondays to Saturdays inclusive, or
(b)The Regent’s Park at any time between 09.00 hours and 18.30 hours on Mondays to Fridays inclusive or 09.00 hours and 13.30 hours on Saturdays
unless a valid parking ticket is displayed in the vehicle in such a way that it is clearly visible to a person outside the vehicle.