Yes, you do.
If you attached any federal forms or schedules to your federal Form 1040 or 1040-SR other than Schedules A or B, you'll need to attach a copy of your federal Form 1040 or 1040-SR return, and all supporting federal forms and schedules to Form 540.
Please see Attachments to your tax return in the 2021 Personal Income Tax Booklet | California Forms & Instructions 540 for more information.
