15. Where a person holds a probationary licence of a given class, his licence also comprises one or more additional classes, as indicated below:(1) class 4A: classes 4B, 4C, 5, 6D and 8;
(2) class 4B: classes 4C, 5, 6D and 8;
(3) class 4C: classes 5, 6D and 8;
(4) class 5: classes 6D and 8;
(5) class 6A: classes 6B, 6C, 6D, 6E and 8;
(6) class 6B: classes 6C, 6D, 6E and 8;
(7) class 6C: classes 6D, 6E and 8.