I believe above 10k, you're just required to have a source for the 10k. One of my buddies in college brought his entire school tuition in a suitcase over when h

I believe above 10k, you're just required to have a source for the 10k. One of my buddies in college brought his entire school tuition in a suitcase over when he started school and it caused a bit of a shit show because he had to go back home and get proof to release the money or something like that. He came from a wealthy family so he had never ran into that before.