回复:感谢8老师热心帮助,当时filed时是不要签日期的,现在我们签上原来的时间,会不会有作假的嫌疑?
When you filed it online, the IRS system should have recorded the date and time of filing. Then, you should have printed the form and signed and dated it for your personal record at least for 5 years in case IRS may audit your tax payment.