The "short duration 1st class ticket" is valid for two hours after it is issued, on all services of the public transport network without any restrictions. It is valid in 1st and 2nd class.
The arrival time to take into account is the time at which the train or bus should have reached the passenger's destination according to the timetable.
A "short duration 1st class ticket" handed over at 7.15 am is valid until 9.15 am on the same day. It is not valid from and to a frontier point.
A "short duration 1st class ticket" is sold for €3.
Use in 2nd class
A "short duration 1st class ticket" is also valid in 2nd class.
Train stations with ticket offices, Mobilitéitszentral (Mobility Centre)
In all CFL stations where tickets are sold.
CFL Call & Service Centre on 2489–2489
Find here the legal texts in French.