RULE 39. (a) Reducing Number of Crews.  When making reduction in number of crews in pool freight service, reduction will be made in the order of juniority of conductors.

       (b) When pool turns are reduced, regularly assigned members of crews cut off who are in the home terminal when reduction is made, or who arrive home terminal before crew to which assigned, will not be permitted to exercise displacement rights until the turn to which they are assigned arrives at the home terminal, and no displacement will be permitted on crews that are called at the time their assigned crew arrives home terminal.