If you don’t get this resolved i your favor with the IRS, they will then notify the CA Franchise Tax Board of a change to your tax returns. In about 6 moths you will get a letter from the FTB for additional taxes, penalties & interest due to CA.
I’ll have to check w my wife to see if we were able to submit the additional pages for charitable contributions to CA. Thanks for that info about IRS notifying FTB.