The Mexican students and researchers residents in a foreign country that return to Mexico, can introduce their household furniture and supplies (these is understand to be house utensils and furnishings, that serve the exclusive purpose for use of the family and this should be used and acquired with at least six months anticipation to the date in which they plan to enter Mexico) tax free to foreign trade and without the need of presenting commercial invoices and without being registered in the import register. Such paperwork can be carried out by Mexican students or researches, border residents, Mexican or repatriated immigrants, or deported, diplomatic and non immigrants, clergymen, and journalists.