Its use during warfare was prohibited by the Geneva Protocol of 1925.

The next major agreement on chemical weapons did not occur until the 1925 Geneva Protocol.

Iraq has signed a Geneva protocol forbidding use of chemical weapons against other countries except in retaliation.

The 1925 Geneva Protocol forbids only the first use of chemical weapons.

Even though the attack proved to be unsuccessful, it led to the creation of the Geneva Protocol in 1925.

However, it is party to the 1925 Geneva Protocol prohibiting the use of chemical weapons in war.

The 1925 Geneva protocol only banned first use.

The Geneva Protocol of 1925 was a law that set made it illegal to fight with chemical or biological weapons in war.

They told me that under the Geneva Protocol, all prisoners have the right to receive mail.

The Geneva Protocol prohibited use but not possession or development of chemical and biological weapons.