On the contrary, counterfeiting of 20-peso bills fell by 45; counterfeiting of 100-peso bills dropped 10% and 500-peso bills saw less counterfeiting with 2.4%.
What to do when you suspect a counterfeit bill?
The Bank of Mexico stipulates that if you receive a bill and suspect that it is false, you must take it to any bank branch, remember that trying to pay with an apocryphal bill is a crime that is punishable by jail.