Emergency Vietnam Visa During Transit — At SIN, ICN, BKK or Already at SGN/HAN Airport

Two things happen at transit airports: people realise they've forgotten to apply, and people realise they used the transit hub as the entry port. Both are fixable in about 30 minutes. Three scenarios covered — no eVisa at SIN/ICN, applied with wrong port, and already at SGN/HAN wanting to exit — with exactly what to do in each.