The assessor shall maintain an assessed valuation in accordance with the approved revaluation cycle for a residence owned by a person qualifying for exemption under RCW
84.36.381 in addition to the valuation required under RCW
84.36.381(6). Upon a change in the true and fair value of the residence, the assessor shall notify the person qualifying for exemption under RCW
84.36.381 of the new true and fair value and that the new true and fair value will be used to compute property taxes if the property fails to qualify for exemption under RCW
84.36.381.