Indeterminate Sentence Law

Article 94

Criminal liability is extinguished partially: By conditional pardon; By commutation of the sentence; and For good conduct allowances which the culprit may earn while he is undergoing preventive imprisonment or serving his sentence. (amended by Republic Act No. 10592, [May 29, 2013])

Article 95

Any person who has been granted conditional pardon shall incur the obligation of complying strictly with the conditions imposed therein otherwise, his non-compliance with any of the conditions specified shall result in the revocation of the pardon and the provisions of Article 159 shall be applied to him.

Article 96

The commutation of the original sentence for another of a different length and nature shall have the legal effect of substituting the latter in the place of the former.

Article 97

The good conduct of any offender qualified for credit for preventive imprisonment pursuant to Article 29 of this Code, or of any convicted prisoner in any penal institution, rehabilitation or detention center or any other local jail shall entitle him to the following deductions from the period of his sentence: During the first two years of imprisonment, he shall be allowed a deduction of twenty days for each month of good behavior during detention; During the third to the fifth year, inclusive, of his imprisonment, he shall be allowed a deduction of twenty-three days for each month of good behavior during detention; During the following years until the tenth year, inclusive, of his imprisonment, he shall be allowed a deduction of twenty-five days for each month of good behavior during detention; During the eleventh and successive years of his imprisonment, he shall be allowed a deduction of thirty days for each month of good behavior during detention; and At any time during the period of imprisonment, he shall be allowed another deduction of fifteen days, in addition to numbers one to four hereof, for each month of study, teaching or mentoring service time rendered. An appeal by the accused shall not deprive him of entitlement to the above allowances for good conduct. (as amended by Republic Act No. 10592, [May 29, 2013])

Article 98

A deduction of one fifth of the period of his sentence shall be granted to any prisoner who, having evaded his preventive imprisonment or the service of his sentence under the circumstances mentioned in Article 158 of this Code, gives himself up to the authorities within 48 hours following the issuance of a proclamation announcing the passing away of the calamity or catastrophe referred to in said article. A deduction of two-fifths of the period of his sentence shall be granted in case said prisoner chose to stay in the place of his confinement notwithstanding the existence of a calamity or catastrophe enumerated in Article 158 of this Code. This Article shall apply to any prisoner whether undergoing preventive imprisonment or serving sentence. (as amended by Republic Act No. 10592, [May 29, 2013])

Article 99

Whenever lawfully justified, the Director of the Bureau of Corrections, the Chief of the Bureau of Jail Management and Penology and/or the Warden of a provincial, district, municipal or city jail shall grant allowances for good conduct. Such allowances once granted shall not be revoked. (as amended by Republic Act No. 10592, [May 29, 2013])