For forms W-2, W-2G, 592-B, 593-B, 594, and 1099: Make sure to attach
all the Form(s) W-2 and W-2G you received to the front of your return. If
you completed CA Sch W-2, attach CA Sch W-2 behind Side 2 of the tax
I am giving you a link below to the California instructions for the attachments. Refer in particular to page 19 under the paragraph entitled "Filing your return - Attachments".
If this was helpful please press the Accept button. Positive feedback is also appreciated.