Article 10 Upgrading and downgrading
(1. If an operating air carrier places a passenger in a class higher than that for which the ticket was purchased, it may not request any supplementary payment.
(2. If an operating air carrier places a passenger in a class lower than that for which the ticket was purchased, it shall within seven days, by the means provided for in Article 7(3), reimburse
(a) 30 % of the price of the ticket for all flights of 1500 kilometres or less, or
(b) 50 % of the price of the ticket for all ... flights between 1500 and 3500 kilometres, or
Words in Art. 10(2)(b) omitted (31.12.2020) by virtue of The Air Passenger Rights and Air Travel Organisers' Licensing (Amendment) (EU Exit) Regulations 2019 (S.I. 2019/278), regs. 1(3), 8(8)(a); 2020 c. 1, Sch. 5 para. 1(1)
(c) 75 % of the price of the ticket for all flights not falling under (a) or (b) ....
Words in Art. 10(2)(c) omitted (31.12.2020) by virtue of The Air Passenger Rights and Air Travel Organisers' Licensing (Amendment) (EU Exit) Regulations 2019 (S.I. 2019/278), regs. 1(3), 8(8)(b); 2020 c. 1, Sch. 5 para. 1(1)