87 STAT. ]
PUBLIC LAW 93-69-JULY 10, 1973
167
determination, the Commission may take into account all factors appropriate to ratemaking generally under part I of this Act and shall 49 USC 1. determine such final rates under the standards and limitations applicable to ratemaking generally under part I of this Act. If the increases in rates finally authorized by the Commission are less than the increases in rates initially made effective, the carrier or carriers shall, subject to such tariff provisions as the Commission shall deem sufficient, make such refunds (in the amount by which the initially increased rate collected exceeds the finally authorized increased rate) as may be ordered by the Commission, plus a reasonable rate of interest as determined by the Commission. Nothing contained in this paragraph shall limit or otherwise affect the authority of the Commission to authorize or to permit to become effective any increase in rates other than the increases herein specified. " (d)(A) The State authority having jurisdiction over petitions for increase.^ State ^ Intrastate rate _ __ intrastate rate increases by any carrier or group of carriers subject to authority'. part I of this Act shall, within 60 days of the filing of a verified petition for such increases based upon increases in expenses of such carriers as a result of any increases in taxes under the Railroad Retirement Tax Act, as amended, occurring on or before January 1, 1975, or ^g"usc'32o^i as a result of the enactment of the Railroad Retirement Amendments of 1973, act upon said petition. Such State authority may grant an ^"*e. P- i^e interim rate increase or a final rate increase. If such State authority grants any interim rate increases, it shall thereafter investigate and determine the reasonableness of such increases and modify them to the extent required by applicable law. To the extent that any such interim increases are reduced as a result of the action of a State authority, the carrier or carriers shall make such refunds (in the amount by which the initially increased rate collected exceeds the finally authorized increased rate) as may be ordered by such State authority, plus a reasonable rate of interest as determined by the State authority. " (B) If a State authority denies in toto such a petition filed with it by such carrier or group of carriers seeking relief regarding such intrastate rate increases or does not act finally on such petition within 60 days from the presentation thereof, the Commission shall, within 30 days of the filing of a verified petition by such carrier or group of carriers relating to such intrastate rates, act upon such petition by applying the ratemaking criteria of subparagraph (4)(c) of this paragraph. If the Commission grants, in whole or in part, such petition by any carrier or group of carriers, the increase authorized shall be considered as an interim rate increase as provided in subparagraph (A) above and shall be subject to final determination by the State authority in accordance with the procedures prescribed for interim intrastate rate increases as provided above, including the ordering of refunds by such State authority. " (C) If a State authority denies in part such a petition filed with it by such carrier or group of carriers, within 60 days from the presentation thereof, the Commission shall, within 30 days of the filing of a verified petition by such carrier or group of carrier's relating to the intrastate rates involved, act upon such petition by applying the criteria of section 13(4) of this part. 72 Stat. 570. " (D) Nothing in subparagraph (A) or (B) shall be construed to '^^ "^^ ^^• abrogate the authority of the Commission under section 13(4) of this part and in the event a carrier or group of carriers subject to a refund requirement under subparagraph (A) or (B) files a petition under section 13(3), the refund requirement shall be stayed pending final order of the Commission under section 13(4) of this part. "(e) Any increased freight rates authorized shall not exceed a reasonable level by types of traffic, commodities, or commodity groups and
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