Indeed, magnetic tickets do not expire, but they will be slowly phased-out in 2020/21…
According to the website of the Paris transport company, the tickets don’t have an expiration date:
Tickets purchased individually or in packages of 10 are permanently valid for single use and are issued without an expiration date. Consequently, they can always be used at a later date.
This applies to the normal Ticket T+, so if that’s the one you have, you should be fine as they don’t expire.
Credit:stackoverflow.com‘
4 Mar, 2024
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5 Mar, 2024