How does a change in ownership affect property taxes? What constitutes a change in ownership?A Preliminary Change of Ownership Report (PCOR) is required when transferring property to anyone. Title of Security (Instr. You can change a shareholder's beneficial status online. You must have registered for online access and use your account details to log in. The form for transferring ownership of your shares or requesting a name change. (City), (State), (Zip). 2. ALERT: In November 2020, California voters passed Proposition 19, which makes changes to property tax benefits for families (effective February 16, 2021). Climate change and its associated hazards, like flooding and wildfires, are already impacting the San Diego region.