(1) A sentence of conviction shall not be enforced unlessf it has not been executed within the following time limits from the date of its entry into force:

a) 2 years, in the case of conviction for a minor offence;

b) 6 years in the case of a conviction for a less serious offence;

c) 10 years in the case of a conviction for a serious offence;

d) 15 years in the case of a conviction for a particularly serious offence;

e) 20 years in the case of conviction for an exceptionally serious offence

(2) The limitation periods for the execution of the sentence shall be reduced by half for persons who were minors at the time of the commission of the offence.

(3) The limitation period shall be interrupted if the person evades the execution of the sentence or if, before the expiry of the periods provided for in paragraphs (1) and (2), he or she commits a new offence with intent. In the case of evasion of execution of the sentence, the limitation period shall begin to run from the moment of the person's presentation for execution of the sentence or from the moment of his detention, and in the case of the commission of a new offence - from the moment of its commission.

(4) The limitations period shall not remove the execution of the principal penalties established for crimes against peace and security of mankind or for war crimes, provided for in Articles 135-137, 139 and 143.