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. As explained below, there are other reasons your return may need to contain California Schedule P.
Per the California Instructions for Schedule P (540):
Who Must File
The list of credits that require Schedule P to be part of your return are contained in the TaxAct instructions (available via the link "State Form Instructions" which is on the right side of each screen when you are in the California Q&A) or via the link above (go to the last page of the instructions).