Online Documents and Forms. Click on the link below to access the corresponding document in both Word and PDF format.Forms to Complete Online and Print. Fill out the preliminary change of ownership report to properly transfer your California real estate into your living trust. How Do You File A Preliminary Change Of Ownership Report? In California, you must file a Preliminary Change of Ownership Report (PCOR) with the county recorder's office when recording the deed. Due to this issue, the exemption may not appear on the current property tax bill for some accounts. Excluded from Reappraisal Under Proposition 13, California Constitution Article 13A § 1, et seq. A notary public or other officer completing this certificate verifies only the identity of the individual who signed the document. Master the process of filling out a preliminary change in ownership form with our comprehensive stepbystep guide.