Cross-border hours-of-service requirements-key differences

FAQ006: What are the requirements for driver to have in their possession in the CMV copies of their records of duty status when driving in Mexico and the United States? 

Answer: A driver operating in the United States must retain in their possession and available for inspection while on duty their daily records of duty status for the current day and the previous 7 consecutive days.  (49 CFR §  395.8(k)(2))

A driver operating in Mexico must retain in their possession and available for inspection their previous 7-days along with the current day.  (See Reglamento de Transito en Carreteras Federales, Titulo Tercero, Capitulo II, Articulo 62 Bis.)  The motor carrier is required to prepare logbooks in print or electronic media to be shown to the competent authority.