If there was no community income in 2017 then you might be able to disregarded. See IRS Pub 555 page 7
<a rel="nofollow" target="_blank" href="
https://www.irs.gov/pub/irs-pdf/p555.pdf">https://www.irs.gov/pub/irs-pdf/p555.pdf</a>
You might want to consult a tax professional in your area that deals with divorce/separation and community property law in your state.
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**
