This is the 9503rd most frequent German word.
mitführen
To carry along.
'Mitführen' in this sentence means 'to bring' or 'to carry along' with oneself when referring to pets or similar items.
Ich darf keine Haustiere in die Unterkunft mitführen.
I am not allowed to bring any pets to the accommodation.
In this sentence, 'mitführen' indicates 'to have with you', often in the context of documents or items required for access.
Bitte stellen Sie sicher, dass Sie Ihr Ticket mitführen.
Please make sure to carry your ticket with you.
'Mitführen' here means 'to have or transport', relevant to regulations concerning items transported along in a vehicle.