American officials are investigating whether banks accepting cash declared by individuals entering the United States from Mexico are filing regulatory reports with the U.S. Treasury Department, say compliance professionals. Acting off of information gleaned from customs declaration forms, U.S. Immigration and Customs Enforcement (ICE) agents have visited a mid-sized Texas bank near the border "more than once" to determine if it had properly reported cash deposits by specific individuals who had crossed the U.S.-Mexico border, according to a compliance officer at the institution. The inquiries have all related to Reports of International Transportation of Currency or Monetary Instruments, or CMIRs,...