While millions have received the coronavirus stimulus relief check, a crucial deadline looms for people who haven’t been paid yet. If you miss this deadline, you’ll still get your $1,200 payment, but not an additional $500 per dependent child under 17. According to the IRS, if you are required to file a return, using this tool will NOT speed up your economic impact payment. Instead, it’s likely to slow down processing of your tax return and getting any money. The deadline is applies to those receiving Social Security retirement or disability benefits, supplemental security income, railroad retirement benefits, or Veteran’s Affairs benefits.