Exchange rate type setting for GR (for Imports)

Hello Experts

I understand that, if "Fixed" tick is not given in Import PO, then in that case, GR (in local currency) will happen in OB08 rate, M Exchange Rate type. System checks OB08 table on date of GR.

I want to know that, if there is any settings, where I can tell system that GR for imports (in local currency) should happen in other exchange rate type (i.e. other than M).

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MG.