Obligation to declare cash, checks or money orders upon entry or departure to or from Mexico. It is common for corporationswith subsidiaries in Mexico to handle checks, money orders or other negotiable instruments for collection in offices outside ofMexico. In this regard, one must keep in mind that in accordance with Articles 9 and 184 of the Customs Law of Mexico, oneis obligated to declare to the international transportation company, courier or messenger service any amounts that enter orleave Mexico that are greater than the equivalent of $10,000 USD. The same obligation applies to individuals entering orleaving Mexico and carrying negotiable instruments over such amount. The fine for not presenting a declaration beforecorresponding customs officials, or for the corporation transferring documents, could be as high as twenty percent (20%) toforty percent (40%) of the amount in excess of $10,000 USD, whether entering or leaving the country.