docs/8.0/ayanova/docs/ay-start-changes-from-v7.md

@@ -45,6 +45,9 @@ They now reside in a collection of serials for each Part and you can select from
 
 Importing from v7 will place any existing serials into the serial number collection automatically.
 
+### Travel and Service Rates
+Similar to how Tax Codes worked in AyaNova 7, rates will now have their price affecting fields (Charge, Cost) frozen once that Rate has been assigned to any object to preserve data integrity.  
+
 ### Workorder changes
 
 todo: go through cases and document here