After you file

no you can't

 

the issue is whether you CAN claim her, not whether you do or not.- see the difference? 

 

here are the eligibility requirements...

 

A1.  You may be eligible to receive a Payment if you:

  • Are a U.S. citizen or U.S. resident alien;
  • Cannot be claimed as a dependent on someone else’s return;
  • Have a Social Security number (SSN) that is valid for employment (valid SSN); and
    • Exception: If either spouse is a member of the U.S. Armed Forces at any time during the taxable year, then only one spouse needs to have a valid SSN
  • Have adjusted gross income below an amount based on your filing status and the number of your qualifying children.