Complex sentence: Agave nectar is produced in the Mexican States of Jalisco, Michoacán, Guanajuato and Tamaulipas, according to Mexican laws pertaining to certificate of origin; most is produced in Jalisco.
Split into simpler sentences: Agave nectar is produced in the Mexican States of Jalisco, Michoacán, Guanajuato and Tamaulipas. According to Mexican laws pertaining to certificate of origin; most is produced in Jalisco.