New Law that Banks have to verify undoc accounts

Does anyone have information about the new law that will be coming into effect this October that banks will have to verify all acount holders? How will this affect undocumented holders of accounts especially through, for example, the new Mexican matriculation ID?

Does anyone have information about the new law that will be coming into effect this October that banks will have to verify all acount holders? How will this affect undocumented holders of accounts especially through, for example, the new Mexican matriculation ID?