Article 7 Exemptions relating to crossing and turning traffic
A person who causes or permits a vehicle to enter a bus lane shall not contravene article 5 if the vehicle enters the bus lane–
from a road which does not comprise the bus lane and forthwith leaves the bus lane through the gap in the single white line situated opposite and adjacent to the junction of that road with a bus lane, or if there is no such gap, at a point opposite that road;
from an adjacent part of the road through any gap in the single white line and forthwith enters a road which lies opposite that gap;
from any vehicular accessway or crossing over the footway adjoining the bus lane and forthwith leaves the bus lane at a point opposite that vehicular accessway or crossing; or
from an adjacent part of the road at a point opposite any vehicular accessway or crossing over the footway adjoining a bus lane and forthwith enters that vehicular accessway or crossing.