Here you can find out how to update changes to a derived rate so that they are synchronised in your PMS
Update prices
For example, if you have changed the prices for the breakfast of a derived rate in the rate settings or reconfigured the surcharge for the revenue rate, it takes a while for the new prices to be applied to the derived rate.
The reason? As long as nothing changes in the revenue rate, it will not happen in the derived rate either.
Here is a quick way to update the prices: