RULE 38. STARTING TIME. (a) Regularly assigned yard engineers will each have a fixed starting time, and the starting "time will not be changed without at least 48 hours advance notice.

(b) Where three 8-hour shifts are worked in continuous service, the time for the first shift to begin work will be between 6:30 a.m. and 8:00 a.m.; the second 2:30 p.m. and 4:00 p.m.; and the third 10:30 p.m. and 12:00 midnight.

(c) Where two shifts are worked in continuous service, the first shift may be started during any one of the periods named in Section (b).

(d) Where two shifts are worked not in continuous service, the time for the first shift to begin work will be between the hours of 6:30 a.m. and 10:00 a.m., and the second not later than 10:30 p.m.

(e) Where an independent assignment is worked regularly, the starting time will be during one of the periods provided in Sections (b) or (d).

(g) Central time to govern at North Platte and Ellis.