"Art. 321. Other forms of arson.—When the "arson consists in the burning of other property and under the circumstances given hereunder, the offender shall be punished:
"1. By reclusion temporal to reclusion perpetua: (a) If the offender shall set fire to any building, farmhouse, warehouse, hut, shelter, or vessel in port, knowing it to be occupied at the time by one or more persons;
(b) If the building burned is a public building and the value of the damage caused exceeds 6,000 pesos;
(c) If the building burned is a public building and the purpose is to destroy evidence kept therein to be used in instituting prosecution for the punishment of violators of the law, irrespective of the amount of the damage;
(d) If the building burned is
a public building and the purpose is to destroy evidence kept therein to be used in any legislative, judicial or administrative proceedings, irrespective of the amount of the damage: Provided, however, That if the evidence destroyed is to be used against the defendant for the prosecution of any crime punishable under existing laws, the penalty shall be reclusion perpetua;
(e) If the arson shall have been committed with the intention of collecting under an insurance policy against loss or damage by fire.
"2. By reclusion temporal:
(a) If an inhabited house or any other building in which people are accustomed to meet is set on fire, and the culprit did not know that such house or building was occupied at the time, or if he shall set fire to a moving freight train or motor vehicle, and the value of the damage caused exceeds 6,000 pesos;
(b) If the value of the damage caused in paragraph (b) of the preceding subdivision does not exceed 6/000 pesos;
(c) If a farm, sugar mill, cane mill, mill central, bamboo groves, or any similar plantation is set on fire, and
(d) If grain fields, pasture lands, forests, or planting are set on fire, and the damage caused exceeds 6,000 pesos."
"3. By prision mayor:
(a.) If the value of the damage caused in the cases mentioned in paragraphs (a), (c) and (d) in the next preceding subdivision does not exceed 6,000 pesos;
(b) If a building not used as a dwelling or place of assembly, located is a populated place, is set on fire, and the damage caused exceeds 6,000 pesos;
"4. By prision correccional in its maximum period to prision mayor in its medium period:
(a) If a building used as a dwelling located in an uninhabited place is set on fire and the damage caused exceeds 1,000 pesos;
(b) If the value of the damage caused in the case mentioned in paragraphs (c) and (d) of subdivision 2 of this article does not exceed 200 pesos."
"5. By prision correccional in its medium period to prision mayor in its minimum period, when the damage caused, is over 200 pesos but does not exceed 1,000 pesos, and the property referred to in paragraph (a) of the next preceding subdivision is set on fire; but when the value of such property does not exceed 200 pesos, the penalty next lower in degree than that prescribed in this subdivision shall be imposed.
"6. The penalty of prision correctional in its medium and maximum periods, if the damage caused in the case mentioned in paragraph (b) of subdivision 3 of this article does not exceed 6,000 pesos but is over 200;
"7. The penalty of prision correctional in its minimum and medium periods, if the damage caused in the case mentioned in paragraph (b) of subdivision 3 of this article does not exceed 200 pesos.
"8. The penalty of arresto mayor and a fine ranging from fifty to one hundred per centum of the damage caused shall be imposed, when the property burned consist of grain fields, pasture lands, forests, or plantations when the value of such property does not exceed 200 pesos."
