While California Schedule P (540) Alternative Minimum Tax and Credit Limitations - Residents may be part of your return, it does not necessarily mean that your return is subject to Alternative Minimum Tax (AMT). As explained below, there are other reasons your return may need to contain California Schedule P.
Per the California Instructions for Schedule P (540):
B. Who Must File
Complete Schedule P (540) to see if AMT applies to you. Attach it to Form 540 only if any one of the following apply:
The list of credits that require Schedule P to be part of your return are contained in the state form instructions. To view, click Form Instructions down the right and go to the last page of the instructions.
Note that any link in the information above is updated each year automatically and will take you to the most recent version of the document at the time it is accessed.