I.-The travel expenses mentioned in a of 5° of I of article Annex 4-8 shall be reimbursed at a flat rate for the distance travelled on both the outward and return journeys, equal to the price of:
1° 1st class carriage in the mode of transport concerned, if the journey can be made by rail or by another public transport service;
2° 1st class carriage by rail, based on the number of kilometres travelled, if no public transport is available.
In addition, if the journey takes more than one day, an allowance equal to €50 per day will be paid.
II.-The reimbursement referred to in I is due only once for all documents issued or drawn up by the clerk of the commercial court during the same journey.