Article 120 Revised Penal Code
Article 120 of the Revised Penal Code is about Correspondence with hostile country. It is under Chapter One (Crimes Against National Security) of Title One (Crimes Against National Security And The Law Of Nations) of the Code.
Correspondence with hostile country
Any person who in time of war, shall have correspondence with an enemy country or territory occupied by enemy troops shall be punished:
1. By prision correccional, if the correspondence has been prohibited by the Government;
2. By prision mayor, if such correspondence be carried on in ciphers or conventional signs; and
3. By reclusion temporal, if notice or information be given thereby which might be useful to the enemy. If the offender intended to aid the enemy by giving such notice or information, he shall suffer the penalty of reclusion temporal to death.
See also: Article 119 Revised Penal Code