(3) If the court was not able to acquire the data on the perpetrator’s daily income referred to in the preceding paragraph, then one thirtieth of the last officially published average monthly net salary in the Republic of Slovenia per employee shall be considered as the daily amount for the fine. (4) The period of time, in which a fine is to be paid, shall be specified in the judgement. Such a period may not be shorter than fifteen days and not longer than three months. Under justifiable circumstances, the court may permit the offender to pay his fine by instalment, where the term of payment shall not exceed two years. Revoking of Driving Licence Article 48 (1) The court may revoke a driving licence for the operation of motor vehicles of a certain type or category of the perpetrator, who committed a criminal offence as the operator (hereinafter, the operator) of a motor vehicle. (2) The court shall determine the duration of the sentence referred to in the preceding paragraph, which may not be shorter than six months and longer than two years from the day of finality of the judgement. Time spent in prison or in a health institution for medical treatment and detention shall not be counted as a part of the sentence. (3) In the event of a sentence from the paragraph 1 of this Article being imposed on a person holding a driving licence issued by a foreign country, the sentence shall prohibit the perpetrator only from using such a driving licence in the territory of the Republic of Slovenia. 2. Sentencing General Rules on Sentencing Article 49 (1) The perpetrator shall be sentenced for a criminal offence within the limits of the statutory terms provided for such an offence and with respect to the gravity of his offence and his culpability. (2) In fixing the sentence, the court shall consider all circumstances, which have an influence on the grading of the sentence (mitigating and aggravating circumstances), in particular: the degree of the perpetrator's criminal liability; the motives, for which the offence was committed; the intensity of the danger or injury caused to the property protected by law; the circumstances, in which the offence was committed; the perpetrator's past behaviour; his personal and pecuniary circumstances; his conduct after the committing of the offence and especially, whether he recovered the damages