Cash Deposits in Mexico: The 15,000-Peso Line That Quietly Flags Your Account

Mexican banks report to the SAT when a customer's cash deposits top 15,000 pesos, about US$880, in a single month at one institution. The rule covers peso cash and cashier's cheques bought with cash, but excludes SPEI, TEF and ordinary transfers. Crucially, it is a reporting threshold, not a limit or a tax: the bank files a monthly declaration, you owe nothing simply for crossing the line, and the data only lets the SAT check that large cash sums fit your profile. Here is what foreigners…