diff --git a/ontology/saref4lift.ttl b/ontology/saref4lift.ttl
index ae4ffd6b327b24923385531a6ccdc464c4bc714f..aa5c4909a99545c3556776073b304e65dacf8556 100644
--- a/ontology/saref4lift.ttl
+++ b/ontology/saref4lift.ttl
@@ -13,8 +13,8 @@
 <https://saref.etsi.org/saref4lift/> rdf:type owl:Ontology ;
                                       owl:versionIRI <https://saref.etsi.org/saref4lift/v1.1.1/> ;
                                       dcterms:source <https://saref.etsi.org/sources/saref4lift/> ;
-                                      vann:preferredNamespaceUri "https://saref.etsi.org/saref4lift/" ;
                                       owl:versionInfo "v1.2.2" ;
+                                      vann:preferredNamespaceUri "https://saref.etsi.org/saref4lift/" ;
                                       dcterms:publisher <https://www.etsi.org/> ;
                                       dcterms:modified "2021-02-23" ;
                                       dcterms:title "SAREF extension for Smart Lifts"@en ;
@@ -246,6 +246,13 @@ saref:hasValue rdf:type owl:DatatypeProperty ;
                      rdfs:label "has installer company" .
 
 
+###  https://saref.etsi.org/saref4lift/hasLocationValidator
+:hasLocationValidator rdf:type owl:DatatypeProperty ;
+                      rdfs:range xsd:string ;
+                      rdfs:comment "Name of who has provided the validation of the correctness of the location of the entity" ;
+                      rdfs:label "has location validator" .
+
+
 ###  https://saref.etsi.org/saref4lift/hasMainEmergencyNumber
 :hasMainEmergencyNumber rdf:type owl:DatatypeProperty ;
                         rdfs:range xsd:string ;
@@ -726,14 +733,6 @@ saref:UnitOfMeasure rdf:type owl:Class ;
                        rdfs:subClassOf <http://www.opengis.net/ont/geosparql#Feature> ,
                                        saref:FeatureOfInterest ,
                                        <https://saref.etsi.org/saref4syst/System> ,
-                                       [ rdf:type owl:Restriction ;
-                                         owl:onProperty :hasDoorCloseTime ;
-                                         owl:someValuesFrom saref:Time
-                                       ] ,
-                                       [ rdf:type owl:Restriction ;
-                                         owl:onProperty :hasDoorOpenTime ;
-                                         owl:someValuesFrom saref:Time
-                                       ] ,
                                        [ rdf:type owl:Restriction ;
                                          owl:onProperty :hasLimitLoad ;
                                          owl:someValuesFrom :Load
@@ -754,6 +753,10 @@ saref:UnitOfMeasure rdf:type owl:Class ;
                                          owl:onProperty :hasCarStops ;
                                          owl:someValuesFrom xsd:integer
                                        ] ,
+                                       [ rdf:type owl:Restriction ;
+                                         owl:onProperty :hasLocationValidator ;
+                                         owl:someValuesFrom xsd:string
+                                       ] ,
                                        [ rdf:type owl:Restriction ;
                                          owl:onProperty :hasMainEmergencyNumber ;
                                          owl:someValuesFrom xsd:string