(1)A person shall be guilty of an offence and liable on summary conviction to a fine not exceeding level 3 on the standard scale if he uses charging apparatus in contravention of a sign displayed on the apparatus which indicates that—
(a)the apparatus is not to be used for any purpose other than charging a vehicle; and
(b)it is an offence to so use the apparatus.
(2)A person is not guilty of an offence under subsection (1) if—
(a)he had the permission of the person who operated the charging apparatus at the time to use the charging apparatus for the purpose in question; or
(b)he had reasonable cause to believe he had such permission; or
(c)at the time there was on the charging apparatus an indication given by the person who operated the charging apparatus that it could be usedfor the purpose for which it was used.