Chapter 3
Offences Against the External Security of the Kingdom

Section 120 Whoever, conspiring with the person to make the act for the benefit of the foreign State with the intention of causing the battle against the State or in other way against the State, shall be imprisoned for life or imprisoned as from ten years to twenty years.

Section 121 Whoever, being a Thai, bears the arms in battle against the Country, or participates as an enemy of the Country, shall be punished with death or imprisonment for life.

Section 122 Whoever, does any act in order to assist the waging of battle or the preparation for battle of the enemy, shall be punished with imprisonment of five to fifteen years.

            If such assistance is made;

1. By rendering useless or bringing into the power of an enemy, any fortress, camp, airport, war conveyance, conveyance, line of communication, article used in communication, armaments, food, dock, building or any other thing used for the purpose of war.
2. By instigating any member of the armed forces to neglect to perform his duties, to commit mutiny, to desert the service or to commit breach of discipline
3. By committing espionage, conducting or guiding the enemy; or
4. By acting any other means of the advantage for the enemy in the battle;

The offender shall be punished with death or imprisonment for life.

Section 123 Whoever, making any act so as to procure the information, document or anything kept to be secret for the safety of the Country, shall be imprisoned not less than ten years.

Section 124 Whoever, does any act in order that any other person may know or obtain any information, document or anything which is kept secret for the safety of the Country, shall be punished with imprisonment not exceeding ten years.

            If such offence is committed whilst the Country is engaged in the battle or war, the offender shall be punished with imprisonment of five to fifteen years.

            If the offence, mentioned in the two foregoing paragraphs, is committed for the benefit of a foreign State, the offender shall be punished with death or imprisonment for life.

Section 125 Whoever, counterfeiting, fabricating, detaining, hiding, concealing, removing, damaging, destroying, or losing or rendering any of document or plan concerning the interest of State in the international affairs, shall be imprisoned not out of ten years.

Section 126 Whoever, being entrusted by the Government to carry out any activities of the State with a foreign Government, dishonestly does not carry out the activities as entrusted, shall be punished with imprisonment of one to ten years.

Section 127 Whoever, making any act for causing the danger to the external security of the State, shall be imprisoned not out of ten years.

            If such danger has been occurred, the offender shall be punished with the death or life imprisonment or imprisoned as from two years to twenty years.

Section 128 Whoever, makes preparation or attempt to commit any offence mentioned in this Chapter, shall be liable to the same punishment provided for such offence.

Section 129 Whoever, is the supporter for committing any offence as mentioned by this Chapter, shall be punished in the same punishment as the principal in such offence.