The IRS issued a special alert for several groups of federal benefit recipients to act by noon (ET) Wednesday, April 22, if they didn’t file a tax return in 2018 or 2019 and have dependents so they can quickly receive the full amount of their EIP.
https://news.cuna.org/articles/117631-non-filers-w-dependents-can-file-for-eips-by-april-22-at-noon-et