diff --git a/v1/Application.cfc b/v1/Application.cfc
index 420c76d..4d29167 100644
--- a/v1/Application.cfc
+++ b/v1/Application.cfc
@@ -71,7 +71,7 @@
 		
 		//variables.framework.docs={};
 		variables.framework.docs.APIName="Deck API";
-		variables.framework.docs.APIVersion="0.025";
+		variables.framework.docs.APIVersion="0.026";
 		
 		variables.framework.globalHeaders = structNew();
 		variables.framework.globalHeaders["Access-Control-Expose-Headers"] = "Location"; 
diff --git a/v1/resources/instance_operation_cfs_param.cfc b/v1/resources/instance_operation_cfs_param.cfc
index 6f6b07a..b3c7f09 100644
--- a/v1/resources/instance_operation_cfs_param.cfc
+++ b/v1/resources/instance_operation_cfs_param.cfc
@@ -132,7 +132,7 @@
 			<cfthrow type="invalidParamValue" message="Cannot find CFS parameter by instanceOperationCfsParamUid=#arguments.instanceOperationCfsParamUid#"/>
 		</cfif>
 		
-		<cfset CreateObject("component", "instance_operation_cfs_param_ls").checkParam(local.qCheck.svc_operation_cfs_param_id, arguments.paramValue)/>
+		<cfset CreateObject("component", "instance_operation_cfs_param_ls").checkParam(local.qCheck.svc_operation_cfs_param_id, arguments.paramValue, arguments.instanceOperationCfsParamUid)/>
 	</cffunction>
 
 </cfcomponent>
\ No newline at end of file
diff --git a/v1/resources/instance_operation_cfs_param_ls.cfc b/v1/resources/instance_operation_cfs_param_ls.cfc
index d76b93c..5dbfb8b 100644
--- a/v1/resources/instance_operation_cfs_param_ls.cfc
+++ b/v1/resources/instance_operation_cfs_param_ls.cfc
@@ -225,8 +225,9 @@
 	</cffunction> 
 	
 	<cffunction name="checkParam">
-		<cfargument name="svcOperationCfsParamId" type="numeric" required=true/>
-		<cfargument name="paramValue" required=true/>
+		<cfargument name="svcOperationCfsParamId" type="numeric" required = true/>
+		<cfargument name="paramValue" required = true/>
+		<cfargument name="instanceOperationCfsParamUid" type="guid" required = false/>
 		<!--- *** Вероятно, стоит возвращать конкретную ругань --->
 		<!--- принадлежит ли параметр к данному сервису, проверяется выше  --->
 		<cfquery name="qSvcOperationCfsParam">
@@ -269,6 +270,9 @@
 		</cfif>	
 		
 		<!--- *** интересно, как мы ухитряемся проверить уникальность параметра, если он относится к операции, а не к экземпляру. Нам-то нужна уникальность для стейта (и то, скорее, единовременная, и интересовать будут только успешные операции) --->
+		
+		<!--- ****** Внимание! Этот код сравнивает параметры одноименных операций, но уникальность должна быть и между create-modify и т.п. --->
+		
 		<cfswitch expression=#qSvcOperationCfsParam.unique_scope#>
 			<cfcase value="provider">
 				<cfquery name="qUnique">
@@ -276,11 +280,11 @@
 					from instance_operation_cfs_param p
 					where p.param_value=<cfqueryparam cfsqltype="cf_sql_varchar" value=#arguments.paramValue#/>
 					AND p.svc_operation_cfs_param_id=<cfqueryparam cfsqltype="cf_sql_integer" value=#qSvcOperationCfsParam.svc_operation_cfs_param_id#/>
-					<cfif isValid("guid",qSvcOperationCfsParam.instance_operation_cfs_param_uid)>
-					AND p.instance_operation_cfs_param_uid <> <cfqueryparam cfsqltype="cf_sql_other" value=#qSvcOperationCfsParam.instance_operation_cfs_param_uid# null=#!isValid("guid",qSvcOperationCfsParam.instance_operation_cfs_param_uid)#/>
+					<cfif structKeyExists(arguments,"instanceOperationCfsParamUid")>
+					AND p.instance_operation_cfs_param_uid <> <cfqueryparam cfsqltype="cf_sql_other" value=#arguments.instanceOperationCfsParamUid#/><!--- null=#!isValid("guid",arguments.instanceOperationCfsParamUid)# --->
 					</cfif>
 				</cfquery>
-				<!--- <cfdump var=#qUnique#/> --->
+				<!--- <cfdump var=#qUnique#/><cfabort/> --->
 				<cfif qUnique.cnt GT 0>
 					<!--- <cfreturn '#qSvcOperationCfsParam.svc_operation_cfs_param# = "#arguments.paramValue#" is not unique in the provider scope'/> --->
 					<cfthrow type="invalidParamValue" message='#qSvcOperationCfsParam.svc_operation_cfs_param# = "#arguments.paramValue#" is not unique in the provider scope'/>
@@ -300,8 +304,8 @@
 					where p.param_value=<cfqueryparam cfsqltype="cf_sql_varchar" value=#arguments.paramValue#/>
 					AND svc_operation_cfs_param_id=<cfqueryparam cfsqltype="cf_sql_integer" value=#qSvcOperationCfsParam.svc_operation_cfs_param_id#/>
 					AND u.usr_id=<cfqueryparam cfsqltype="cf_sql_integer" value=#request.usr_id#/>
-					<cfif isValid("guid",qSvcOperationCfsParam.instance_operation_cfs_param_uid)>
-					AND p.instance_operation_cfs_param_uid <> <cfqueryparam cfsqltype="cf_sql_other" value=#qSvcOperationCfsParam.instance_operation_cfs_param_uid# null=#!isValid("guid",qSvcOperationCfsParam.instance_operation_cfs_param_uid)#/>
+					<cfif structKeyExists(arguments,"instanceOperationCfsParamUid")>
+					AND p.instance_operation_cfs_param_uid <> <cfqueryparam cfsqltype="cf_sql_other" value=#arguments.instanceOperationCfsParamUid#/> <!--- null=#!isValid("guid",arguments.instanceOperationCfsParamUid)# --->
 					</cfif>
 				</cfquery>
 				<!--- <cfdump var=#qUnique#/> --->