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TRANSIT INFORMATION
Transit Countries
Brazil
Visa
Visa required
TWOV (Transit Without Visa):
Passengers with a connecting flight booked on the same ticket in transit. Exception: This TWOV facility does not apply at Curitiba (CWB), Florianopolis (FLN), Porto Alegre (POA), Porto Seguro (BPS) or Salvador (SSA).
So you would need to visa if self-connecting (separate tickets).