What are the consequences of not returning your passport with an immigrant visa from China?

Here are some consequences of not returning your passport with an immigrant visa from China ¹ ²: - Ineligibility for a returning resident status - Inability to enter the United States - Need to apply for a new immigrant visa - Need to pay additional fees for a new immigrant visa - Possible denial of entry into the United States - Possible denial of recognition of dual citizenship by the U.S. government - Possible subject to U.S. taxation on income or assets held in China - Need to renounce U.S. citizenship in order to retain Chinese citizenship