p0531 Providing a lender with a tax return is not a voluntary relinquishment as required to waive the privilege against disclosure of income tax returns.
FORTUNATO v SUPERIOR COURT (Tax Return Privilege) 114 Cal.App.4th 475 [See: Rev&TaxC 19282; Webb v Standard Oil 49 C2 509; Schnabel v Superior Court 5 C4 704]
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