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, , BACKHAUL.
:
- CUM;
- NUC ;
- .
(Higher Intermediate Fare- HIF Higher Intermediate Point- HIP) - ,
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HIP - BACK HAUL "one way backhaul check" no :
HIP-OS -
-ORIG - DEST
=DIFFERENCE
+HIF-OS
= BACKHAUL MINIMUM - -CF HIP = plus-up , CF .