BOOK FIRST PENAL LAWS
PART I
OF PUNISHMENTS AND GENERAL RULES FOR THEIR APPLICATION, OF THE WILL AND AGE OF
THE OFFENDER, OF ATTEMPTED OFFENCE, OF ACCOMPLICES AND OF RECIDIVISTS
Title I
OF PUNISHMENTS AND GENERAL RULES FOR THEIR APPLICATION
Sub-title II
GENERAL PROVISIONS RESPECTING THE INFLICTION AND EXECUTION OF PUNISHMENTS
22. Except in the case of a sentence of imprisonment for life or of imprisonment or detention in default of payment of a fine (multa or ammenda), any time prior to conviction and sentence during which the person sentenced is in prison for the offence or offences for which he has been so convicted and sentenced, not being time in prison in execution of a sentence, shall count as part of the term of imprisonment or detention under his sentence; but where he was previously subject to a probation order, an order for conditional discharge or to a suspended sentence in respect of such offence or offences, any such period falling before that order was made or suspended sentence passed shall be disregarded for the purposes of this article:
Provided that where any time prior to conviction as aforesaid has, by virtue of this article, been counted as part of the term of imprisonment or detention under the sentence in respect of that conviction, such time shall not be counted as part of the term of imprisonment or detention under any other sentence.
Reduction of national sentence following pre-trial detention - national proceedings
EDIT.