Determine which legal clause the following paragraph belongs to: 20.4 IntheeventthattisshownthattheSupplirhasnotcarriedoutthechecksorhasfailed tocarrythemoutwithreasonablediligence,thisshallberegardedasamaterialbreachof itsobligationsandwillentitletheCustomertoreminatethisAgreementwithimmediate effect.