Hello Amit,
the condition GRWR Statistical value must appear in your pricing procedures on the ECC side. Check customizing: Sales & Distibution->Basic Functions->Pricing->Pricing Control->Define and assign Pricing Procedures. Then Maintain pricing procedures and select your prodedure.
On GTS side you find the follwing
Value of Goods represents the Net Value and Value for Foreign Trade Statistics (Statistical Value) is GRWR Statistical value
the
Here you can use the chekbox FREE to mark the Position as "FREE OF GOODS" (you must set the value to 0,00 manually).
E.G.
If you use the User-Exit EXIT_SAPLSLL_LEG_CDPIR3_002 (on ECC) you can set these data automatically by setting the free_of_charge flag in the structure /SAPSLL/API6800_ITM_R3_S. Then you must modify the structure /SAPSLL/API6800_ITM_VAL_R3_S where the QUAL_VAL = GDSVAL. Set VAL-VALUE and VALUE_FLOAT = 0.
Hope that helps
Regards
,
Thomas