The document discusses the computation of the prescription period for criminal liability under Articles 91 and 92 of the Revised Penal Code, detailing how the period begins upon the discovery of the crime by the offended party or authorities and how it can be interrupted. It outlines specific examples illustrating the rules for interruptions and resumes of the prescription period, including the handling of absences and the distinctions between offenses under the Revised Penal Code and special penal laws. Additionally, it specifies the timeframes for the prescription of various penalties imposed by final sentences.