Article 97 Revised Penal Code
Article 97 of the Revised Penal Code is about Allowance for good conduct. It is under Chapter Two (Partial Extinction Of Criminal Liability) of Title Four (Extinction Of Criminal Liability) of the Code.
Allowance for good conduct
The good conduct of any prisoner in any penal institution shall entitle him to the following deductions from the period of his sentence:
1. During the first two years of his imprisonment, he shall be allowed a deduction of five days for each month of good behavior;
2. During the third to the fifth year, inclusive, of his imprisonment, he shall be allowed a deduction of eight days for each month of good behavior;
3. During the following years until the tenth year, inclusive, of his imprisonment, he shall be allowed a deduction of ten days for each month of good behavior; and
4. During the eleventh and successive years of his imprisonment, he shall be allowed a deduction of fifteen days for each month of good behaviour.
See also: Article 96 Revised Penal Code