6(1)If the Secretary of State thinks that a regulated rail vehicle has been used for carriage otherwise than in conformity with a provision of rail vehicle accessibility regulations with which the use of the vehicle is required to conform, the Secretary of State may give the operator of the vehicle a notice—
(a)identifying the provision and how it was breached;
(b)identifying each vehicle operated by the operator that is covered by the notice;
(c)specifying the improvement deadline.
(2)The improvement deadline may not be earlier than the end of the prescribed period beginning with the day the notice is given.
(3)Sub-paragraph (4) applies if—
(a)the Secretary of State has given a notice under sub-paragraph (1),
(b)the improvement deadline specified in the notice has passed, and
(c)the Secretary of State thinks that a vehicle covered by the notice has after that deadline been used for carriage otherwise than in conformity with the provision identified in the notice.
(4)The Secretary of State may give the operator a further notice—
(a)identifying the provision and how it was breached;
(b)identifying each vehicle operated by the operator that is covered by the further notice;
(c)specifying the final deadline.
(5)The final deadline may not be earlier than the end of the prescribed period beginning with the day the further notice is given.
(6)The Secretary of State may require the operator to pay a penalty if—
(a)the Secretary of State has given notice under sub-paragraph (4), and
(b)a vehicle covered by the notice is at a time after the final deadline used for carriage otherwise than in conformity with the provision identified in the notice.