I-944 Assets 是必须要填的吗

根据instruction, "If your household annual gross income is less than 125 percent of the Federal Poverty Guidelines based on your household
size listed in Part 2., you may demonstrate that the total value of your household’s assets and resources is five times the
difference between your household’s annual gross income and 125 percent (100 percent if you are on active duty, other
than in training, in the U.S. Armed Forces) of the Federal Poverty Guideline for your household size."  
怎么感觉是如果家庭收入不够 125%的贫困线，需要Assets来证明？
不知道理解是否正确？如果要填的话，国内的资产很难证明啊，谢了！