code value among values available for the country_code field 101 is usable in designating a specific group of countries for instance two hundred fifty five values 8 bits can be set for the country_code field 101 assuming that two hundred fifty values are substantially used for the country_code field u2018 251 u2019 can be used as a value for designating the entire countries of european union namely if the country_code value of the emergency alert message is set to 251 the emergency alert message should be delivered to the entire countries of european union thus if a value of the country_code field 101 is set for a specific group of countries such as the entire countries of european union east asian countries south american countries and the like the emergency alert message can be collectively applicable to the corresponding countries by adding the country_code field 101 for indicating a country to the emergency alert message a cable service provider servicing at least two countries at the same time can deliver an emergency alert message to a specific country or the at least two countries simultaneously fig2 is a block diagram of a digital cable tv having a pod module loaded therein and fig3 is a block diagram of a digital cable tv having a pod module not loaded therein according to the present invention the emergency alert message can be transmitted via oob out of band or in band in this case the digital cable tv receives the emergency alert message transmitted via oob if a pod module is loaded therein or receives the emergency alert message transmitted via in.