7. A notification to a DLA entitled person under regulation 3(1) inviting the person to claim personal independence payment must—
(a)explain that the person's entitlement to disability living allowance will end if the person does not claim personal independence payment,
(b)state the date of the last day of the period within which the person should claim personal independence payment, that period being one of 28 days starting with the day that is the stated date of notification,
(c)tell the person how to claim personal independence payment,
and may contain such additional guidance and information as the Secretary of State considers appropriate.