19 In the instance of imposing, by a cumulative sentence, of correctional labor or suspension from office with different amount of deduction from salary or pay of convicted, only terms of penalty shall be subject to commutation. Unserved additional penalties by a previous sentence shall be added to a primary penalty inflicted by a cumulative sentence. Article 61. Rules of Credit in Case of Joinder of Penalties In the instance of joinder of different penalties, one day of imprisonment shall be equalized to: a) one day of arrest or committing to a disciplinary unit; b) three days of correctional labor or suspension from office. Penalties of fine or deprivation of certain right in joinder with imprisonment, committing to a disciplinary unit, arrest, suspension from office, and correctional labor shall be executed individually. Article 62. Rules of Credit of Pretrial Detention When inflicting a penalty, a court shall credit one day of pretrial detention for: a) one day of apprehension or committing to a disciplinary unit; b) three days of correctional labor or suspension from office. Article 63. Calculation of Terms of Penalties Terms of penalties of fine or deprivation of certain right, imprisonment, committing to a disciplinary unit, arrest, suspension from office, correctional labor shall be calculated in months and years. In the instance of substitution, credit, or joinder, the terms thereof may be calculated in days. SECTION FIVE. DISCHARGE FROM LIABILITY AND PENALTY CHAPTER 12. TYPES OF DISCHARGE FROM LIABILITY Article 64. Discharge from Criminal Liability due to Expired Term of Liability A person shall be discharged from criminal liability, if the following periods have been expired from the day of commission of a crime: a) b) c) d) three years – for commission of a crime of a minor social danger; five years – for commission of a less serious crime; ten years – for commission of a serious crime; fifteen years – for commission of a especially serious crime, except for the case envisaged by Paragraph 7 of this Article; A term of conviction shall be calculated from a day of commission of a crime until a moment of coming into an effect of a sentence. A term of conviction shall be saved, if a person, who committed a crime and charged with criminal liability, evades from investigation and trial. A term of conviction shall be resumed from a moment of apprehension of a person or surrender.