protected List<String> getUnitRulesMessages(ProtocolDocumentBase protocolDoc) {
   KrmsRulesExecutionService rulesService =
       KcServiceLocator.getService(KrmsRulesExecutionService.class);
   return rulesService.processUnitValidations(
       protocolDoc.getProtocol().getLeadUnitNumber(), protocolDoc);
 }
 protected List<String> getUnitRulesMessages(InstitutionalProposalDocument ipDoc) {
   KrmsRulesExecutionService rulesService =
       KcServiceLocator.getService(KrmsRulesExecutionService.class);
   return rulesService.processUnitValidations(ipDoc.getLeadUnitNumber(), ipDoc);
 }