Article 5
(1)
The exemption given by article 4(2)(a) shall only apply to a priority seat which is immediately next to a window.
(2)
The exemption given by article 4(2)(b)—
(a)
shall only apply to vehicle numbers 50901 to 50914 and 54901 to 54914; and
(b)
only to a vehicle in which it is possible for a reference wheelchair to pass through the passageway referred to in article 4(2)(b) above.