@DoninGA wrote:
Opening a laptop and maybe working for a few hours in each day of the 15 days in CA would not even come close the CA standard deduction for any filing status so there is no reason to file a CA nonresident return.
I'm not sure that is correct for California, see this web page.
https://www.ftb.ca.gov/file/personal/residency-status/part-year-and-nonresident.html#Do-I-need-to-fi...
