18 CFR 154.106 - Map.
(a) The tariff must state a uniform resource locator on the pipeline's Internet Web site, at which the general public may display and download system map(s).
(b) 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 change no later than the end of the calendar quarter that immediately follows the calendar quarter in which the major change occurred.