Title Three
Penalties
Chapter Three
DURATION AND Effect of Penalties
SECTION ONE
Duration of Penalties
ARTICLE 27. Reclusión Perpetua.
— Any person sentenced to any of the perpetual penalties shall be pardoned after undergoing the penalty for thirty years, unless such person by reason of his conduct or some other serious cause shall be considered by the Chief Executive as unworthy of pardon.
Enforcement of sentences imposed
National procedures re enforcement of sentences imposed
National penalties - life imprisonment
Enforcement of sentence of imprisonment
Enforcement of national penalties - imprisonment
Early release - national proceedings
EDIT.