A valuation report is valid at the time of its execution. It is accepted if the market is not changing for the certain asset and there are no physical changes, the valuation report to be valid for 6 months. After this period a new report and new market value have to be developed. The revaluation must be done to define a new market value of the asset. It will take into consideration all the new market changes that affect the final market price of the asset and its current condition.