Nonresident aliens (which she was when they filed their 2018 return) do not qualify for the payment. They should file their 2019 return ASAP if she wants to get her payment in advance. Otherwise she'll get it on their 2020 tax return next year.
Thanks. I sent him a link to an article at Kiplingers that said that same thing.
I just got off the phone with him. He put the baby down for a nap and got right on his taxes. He called me for a few questions and got it submitted.