How to efile amended CA state return for 2023

From  https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-return/e-file-amended-state-return/L... it seems like I should be able to e-file amended return for CA state.

 

But TurboTax Premier won't let me do it now (April 2025) for 2023 tax year.

There seems to be a deadline in Oct-Nov 2023 after which e-file for 2023 is closed.

Is that correct?

 

https://ttlc.intuit.com/community/after-you-file/discussion/cannot-efile-an-amended-return/01/347240...