I have changed room 102 to 1004 and room tariff got changed
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How to Solve:
In order to room change with old room tariff, please follow below steps.

Location:
eZee Front desk >>  Edit Transaction / Room >>  More >> Rome Move

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Change room move 1004 to 102 with apply new tariff option as old tariff will be apply again
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Now move room from 102 to 1004 again but don’t select apply new tariff optionScreenshot 3: