[repsilat]

"We recently received information" might be a nice way of saying "The US Attorney's Office told us they'd sue if we didn't comply." Even if that isn't the case, others have pointed out that they're covering their arse by doing this.

More generously, it could also be construed as a proactive manoeuvre to get the law changed by upholding it to the letter. They did say they were working with the State department.