表格里面都写明是用在已经提交过Form I-864的人用的，我还没有收到要求，所以还没有提交这个表格。

If at any time in the past you completed Form I-864, Affidavit of Support, to sponsor an immigrant, you are required to report your change of address within 30 days of the change if the sponsorship agreement is still in force.