For rule 44 of the Principal Rules substitute —
This Division does not apply to—
(a) a driver entering, in or leaving a roundabout; or
(b) the rider of a motor cycle who moves from within a lane or line of traffic in order to engage in lane filtering in the circumstances set out in rule 151B.
Notes
1 Part 9 deals with giving change of direction signals when entering or leaving a roundabout.
2 Lane filtering is defined in the dictionary.".