Shakira 's not the only victim of some shady tax collecting over in Spain ... at least according to international lawyer Robert Amsterdam , who is warning Americans and their businesses about what he says is a bait-and-switch scheme.

Following a press conference Thursday, Amsterdam unloaded on the Spanish government and its tax collectors ... he says the government incentivizes inspectors with a bonus system where they get a slice of the tax they collect. Play video content

Amsterdam says the Spanish government lures in foreign businesses and celebs with desirable tax credits and incentives, then turns around years later and declares the certificates meaningless and hits them with astronomical tax bills.

He says Spain is taxing the crap out of the 50,000 Americans who live there as

See Full Page