With allowFormReassignment, forms can be reassigned. Typicall scenario is in Screening form where first part could be done by PI and the rest by other people reclaiming the form

web/crfTecant/crfVisit.js

@@ -2124,10 +2124,21 @@ function(){
 	if (operator=='crfEditor'){
 		//editor can only edit its own forms
 		if (currentUser.UserId!=formCreatorId){
-			let msg='User '+currentUser.DisplayName;
-			msg+=' has no permission on this form';
-			this.generateErrorMsg(msg);
-			return;
+         if ("allowFormReassignment" in config.formConfig.settings){
+           let that=this;
+           let action=new Object();
+           action.name="formReassignement";
+           action.cb=function(){that.doNothing();}
+           config.formConfig.crfEntry['UserId']=currentUser.UserId;
+           let status=config.formConfig.crfEntry['FormStatus'];
+           this.updateFlag(status,action);
+         }
+         else{
+			   let msg='User '+currentUser.DisplayName;
+			   msg+=' has no permission on this form';
+			   this.generateErrorMsg(msg);
+			   return;
+         }
 		}
 	}
 	if (operator=='crfMonitor' || operator=='crfSponsor'){