Our plans are a combination of things we want Cost Center Owners to input/edit and things that are pushed from above by the Budget Process Owner.   Invariably we find Cost Center Owners updating those pushed items.  With some testing we find that using External Items satisfies our requirement for being able to prevent certain rows from being updated there is a vulnerability that we haven't been able to solve for.  Cost Center Owners have access to the Delete All External Items action which is not desirable.   Is there a setting anywhere that can restrict that option to an Admin or Budget Process Owner ?  

Hi George - The Delete All External Items action should only be available to Budget Process Owners. If this is not what you're experiencing, please file a Support case to get this looked at. 

I'm using Impersonation to test this and when I assume the role of somebody who is a Cost Center Owner that option is available.  I'll open a case.     Thanks ! 

I should have come back and added this when it happened but a fix for this was implemented in Release 2.18 in the late Jan/early Feb timeframe.