Section 80. Article 302 of the same Act, as amended by Commonwealth Act No. 417, is hereby further amended to read as follows:

"ART. 302. Robbery in an uninhabited place or in a private building. - Any robbery committed in an uninhabited place or in a building other than those mentioned in the first paragraph of Article 299. if the value of the property taken exceeds Fifty thousand pesos (P50.000), shall be punished by prision correccional in its medium and maximum periods provided that any of the following circumstances is present:

”1. If the entrance has been effected through any opening not intended for entrance or egress.

"2. If any wall roof, floor or outside door or window has been broken.

"3. If the entrance has been effected through the use of false keys, picklocks or other similar tools.

“4. If any door, wardrobe, chest, or any sealed or closed furniture or receptacle has been broken.

“5. If any closed or sealed receptacle, as mentioned in the preceding paragraph, has been removed, even if the same be broken open elsewhere.

“When the value of the property taken does not exceed Fifty thousand pesos (P50,000), the penalty next lower in degree shall be imposed.

“In the cases specified in Articles 294, 295, 297, 299, 300, and 302 of this Code, when the property taken is mail matter or large cattle, the offender shall suffer the penalties next higher in degree than those provided in said articles.”