3222339 - Validation Business Rule Execution on Deletion of Grid Portlets OR Empty Grid Portlets

Can we have a validation rule so that information from grid portlets such as National ID, Email, Phone Information or Job Relationships, etc. is always present/cannot be deleted? 

SAP SuccessFactors Employee Central

ECT-16673, ECT-195127, grid portlet, business rule, delete all records, delete entries, validate, null, throw error, warning message, cannot be blank, Error: Collection Filter can only be applied to a collection, not class, null, empty, com.successfactors.hris.bean.eo.EmpJobRelationsEO, delete, remove, removal, blank, configure, configuration , KBA , LOD-SF-EC-PER , Person Data (All Person Data Types) , LOD-SF-EC-JRL , Job Relationships , LOD-SF-EC-PER-NAT , National ID - Config, Rules, RBP, UI , LOD-SF-EC-PER-EML , Email Info - Config, Rules, RBP, UI , LOD-SF-EC-PER-PHN , Phone Info - Config, Rules, RBP, UI , Product Enhancement