You have until July 15, 2020 to file your return. You can file without her & then amend your return to add her to your return. Put that she lived with all year, a baby born any time of the tax year, is considered as living with you all year.
Amended returns must be mailed & they can take up to 16 weeks to process. Also, any refund due with an amended return is sent by check, there is no direct deposits on amended returns.
