Cal. Rev. & Tax. Code § 480.5
(a) Every owner of tax-exempt real property shall report to the local assessor the creation, renewal, sublease, or assignment of any lease, sublease, license, use permit, or other document which conveys the right to use that real property within 60 days of the transaction. The report shall include all of the following:
(6) The terms of the transaction, including all of the following: