154.106—Map.
(a)
The map must show the general geographic location of the company's principal pipeline facilities and of the points at which service is rendered under the tariff. The boundaries of any rate zones or rate areas must be shown and the areas or zones identified. The entire system should be displayed on a single map. In addition, a separate map should be provided for each zone.
(c)
The map must be revised to reflect any major changes. The revised map must be filed no later than April 30 of the calendar year after the major change.