Items short Received /Returned of Imported Goods

In case where declared values under RCM is received less & shortage subsequently in actual ( the reason being actual quantity short shipped by suppliers while in Custom and his Invoice is with full amount & later on we file claim for short shortage and adjust his account or they return Cash), so we need to make adjustment in column 7?

Secondly goods retured which previously disclosed under RCM, so we also need adjustment in Column?