编者按 :近期 ,不少企业来函来电咨询如何办理外商投资企业减免税货物的解除监管手续及解除监管的进口汽车如何办理更换牌照和办理过户手续等问题 ,为了方便企业了解有关政策规定和办理的手续 ,现就有关问题答复如下 :问 :外商投资企业进口减免税货物的海关监管期限是多长时间 Editor’s note: Recently, many enterprises have inquired as to how to handle the procedures for the deregulation and exemption of imported and unmanifested goods by foreign-invested enterprises and how to handle the procedures for changing the licenses and handling transfer procedures. In order to facilitate the enterprises to understand relevant policies and regulations and handle Formalities, the answers to the relevant questions are as follows: Q: How long is the period for the customs supervision of the import-export-exempt goods imported by foreign-invested enterprises?