By requesting that public servants declare all presents over a certain value, you protect public servants, preventing them from receiving expensive gifts that are difficult to refuse, the receipt of which could implicate them in later wrongdoing.
當然，要求公務員收受禮物超過一定金額要申報，這也是保護公務員，避免他們收到難以推拒的貴重禮物而日後被牽連捲入弊案。