(2) If the court does not revoke the conditional conviction, it shall apply the provisions referred to in Article 51, paragraph 4. Revoking a conditional conviction because of failure to fulfill certain obligations Article 53 If the conditional conviction determines that the convicted should fulfill some obligation as referred to in Article 49, paragraph 2, and he does not fulfill this obligation within the time frame determined in the verdict, the court may, within the control period, extend the time frame for fulfillment of the obligation, or it may revoke the conditional conviction and pronounce the sentence that was determined by the conditional conviction. If the court determines that the convicted, for justified reasons, cannot fulfill the set obligation, the court shall acquit him from fulfillment of that obligation, or it shall substitute it with some other appropriate obligation, anticipated by law. Time frames for revoking a conditional conviction Article 54 (1) The conditional conviction may be revoked during the control period. If the convicted at that time commits a crime, which calls for revoking of the conditional conviction, and it was determined by the verdict only after the control period, the conditional conviction may be revoked at the latest within one year from the day the control period expired. (2) If the convicted does not fulfill some of the obligations referred to in Article 49, paragraph 2, within the determined time frame, the court may decide, at the latest within one year from the day the control period expired, that the sentence determined in the conditional conviction should be executed. 3. Conditional condition with protective supervision Conditions for determining protective supervision Article 55 (1) The court shall determine protective supervision when it finds that the conditional conviction shall not have sufficient influence upon the offender not to commit new crimes again and the circumstances connected with the offender's personality or his environment justifies the expectation that the purpose of the conditional conviction shall be achieved if measures of help, care, supervision or protection are determined. (2) The court shall determine the duration of the protective supervision to a certain time during the control period. 25/217