Simpleton thinking.
Do you think that the Mexican government would give a rat's ass?
What about all the US wired (or transfers) of Dollars sent out to all foreign countries by individuals? Guatemala, Columbia, India, Philippines and other destinations -- why just Mexico?
Donald Trump would force Mexicans in US to pay for his wall | New York Post
Unless you can produce a valid US Passport, The Certificate of U.S. Naturalization (form N-550 or N-570) or a Green Card you have no
immediate proof of being a US citizen or a legal US residency. How many of you could prove your citizenship or legal residency on the spot? People in trailer parks don't have US passports normally -- driver's licenses don't prove shit other that who you are, your age and that you are licensed to drive a car.
Trump either got hit with the stupid stick or thinks surly you are really fucking stupid.
Also, any US Treasury regulation like this would have to apply to every MTA regulated -- except when specific wrongdoing is at issue and the order is in effect a stay.