The BOM position is not assigned to a special position in the routing but to a routing link code in the Production BOM window. The routing line is also assigned to a routing link code in the Routing window. The program is very flexible due to this linking of BOM and routing. The positions can be changed as required, without changing the relationships between the BOM and the routing.
Open the 
Routing
Links window.
In the Code field, enter any combination of numbers and letters which identify the routing link code uniquely.
In the Description field, enter a text that describes the routing link code.
Press Esc to close the window.