Why is wheres my refund telling me to check back afyer the 15th

[Brenbrad1]

The new path law requires the IRS to do extra verification  on anyone claiming earned income credit or additional child tax credit, so anyone  claiming these will not see an update or refunds till after the 15th perhaps some on the 15th.  This is millions of people unfortunately. But nothing to worry about. 

[SweetieJean]

“Where’s My Refund?” Begins Updating Feb. 16 for EITC and ACTC Filers

By law, the IRS must hold Earned Income Tax Credit or the Additional Child Tax Credit refunds until Feb. 15.Taxpayers will begin to see refunds claiming EITC/ACTC the week of Feb. 27. “Where’s My Refund?” will update for EITC/ACTC refunds beginning Feb. 16, with the vast majority updating by Feb. 18.

https://www.irs.gov/uac/newsroom/avoid-the-rush-use-irsgov-for-quick-answers-to-questions