: MORE OR LESS TWO MINUTES PER DAY OR MORE OR LESS TEN MINUTES PER SEVEN DAYS .
4 . THE MAXIMUM TOLERANCES SET OUT IN PARAGRAPHS 1 , 2 AND 3 ABOVE ARE VALID FOR TEMPERATURES BETWEEN 0 AND 40* C , TEMPERATURES BEING TAKEN IN CLOSE PROXIMITY TO THE EQUIPMENT .
5 . MEASUREMENT OF THE MAXIMUM TOLERANCES SET OUT IN PARAGRAPHS 2 AND 3 ABOVE SHALL TAKE PLACE UNDER THE CONDITIONS LAID DOWN IN CHAPTER VI .
IV . RECORD SHEETS
( A ) GENERAL POINTS
1 . THE RECORD SHEETS MUST BE SUCH THAT THE RECORDS WHICH THEY SHOW ARE INDELIBLE , LEGIBLE AND CLEAR .
THE RECORD SHEETS MUST RETAIN THEIR DIMENSIONS UNDER NORMAL CONDITIONS OF HUMIDITY . IN ADDITION IT MUST BE POSSIBLE TO WRITE ON THE SHEETS , WITHOUT DAMAGING THEM AND WITHOUT AFFECTING THE LEGIBILITY OF THE RECORDINGS , THE INFORMATION REFERRED TO IN ARTICLE 17 ( 3 ) OF THIS REGULATION . UNDER NORMAL CONDITIONS OF STORAGE , THE RECORDINGS MUST REMAIN CLEARLY LEGIBLE FOR AT LEAST ONE YEAR .
2 . THE MINIMUM RECORDING CAPACITY OF THE SHEETS , WHATEVER THEIR FORM , MUST BE TWENTY-FOUR HOURS .
IF SEVERAL DISCS ARE LINKED TOGETHER TO INCREASE THE CONTINUOUS RECORDING CAPACITY WHICH CAN BE ACHIEVED WITHOUT INTERVENTION BY STAFF , THE LINKS BETWEEN THE VARIOUS DISCS MUST BE MADE IN SUCH A WAY THAT THERE ARE NO BREAKS IN OR OVERLAPPING OF RECORDINGS AT THE POINT OF TRANSFER FROM ONE DISC TO ANOTHER .
( B ) RECORDING AREAS AND THEIR GRADUATION
1 . THE RECORD SHEETS SHALL INCLUDE THE FOLLOWING RECORDING AREAS :
- AN AREA EXCLUSIVELY RESERVED FOR DATA RELATING TO SPEED ;
- AN AREA EXCLUSIVELY RESERVED FOR DATA RELATING TO DISTANCE TRAVELLED ;
- ONE OR MORE AREAS FOR DATA RELATING TO DRIVING TIME , TO OTHER PERIODS OF WORK AND ATTENDANCE AT WORK , TO BREAKS FROM WORK AND TO REST PERIODS .
2 . THE AREA FOR RECORDING SPEED MUST BE SCALED OFF IN DIVISIONS OF 20 KILOMETRES PER HOUR OR LESS . THE SPEED CORRESPONDING TO EACH MARKING ON THE SCALE MUST BE SHOWN IN FIGURES AGAINST THAT MARKING . THE SYMBOL " KM/H " MUST BE SHOWN AT LEAST ONCE WITHIN THE AREA . THE LAST MARKING ON THE SCALE MUST COINCIDE WITH THE UPPER LIMIT OF THE RANGE OF MEASUREMENT .
3 . THE AREA FOR RECORDING DISTANCE TRAVELLED MUST BE SET OUT IN SUCH A WAY THAT THE NUMBER OF KILOMETRES TRAVELLED MAY BE READ WITHOUT DIFFICULTY .
4 . THE AREA OR AREAS RESERVED FOR RECORDING THE PERIODS REFERRED TO IN 1 ABOVE MUST BE SO MARKED THAT IT IS POSSIBLE TO DISTINGUISH CLEARLY BETWEEN THE VARIOUS PERIODS OF TIME .
( C ) INFORMATION TO BE PRINTED ON THE RECORD SHEETS
EACH SHEET MUST BEAR , IN PRINTED FROM , THE FOLLOWING INFORMATION :
- NAME AND ADDRESS OR TRADE NAME OF THE MANUFACTURER ;
- APPROVAL MARK FOR