Determine which legal clause the following paragraph belongs to: TheSellershallonlyProcessPersonalDatatotheextentreasonablyrequiredto enableittoprovidetheSponsorshipasmentionedinthesetermsandconditionsor asrequestedbyandagreedwiththeBuyer,shallnotretainanyPersonalDatalonger thannecessaryfortheProcessingandrefrainfromProcessinganyPersonalDatafor itsownorforanythirdparty'spurposes.