diff --git a/input/fsh/examples/CPTS/example-orgacpts1.fsh b/input/fsh/examples/CPTS/example-orgacpts1.fsh
index c3a88f0581..9c342c3250 100644
--- a/input/fsh/examples/CPTS/example-orgacpts1.fsh
+++ b/input/fsh/examples/CPTS/example-orgacpts1.fsh
@@ -2,10 +2,7 @@ Instance: ExampleOrgaCPTS1
 InstanceOf: FrOrganizationAgregateurCPTS
 Description: "Exemple d'organisation CPTS 1"
 Usage: #example
-
-
-* identifier[0].system = "urn:oid:1.2.250.1.71.4.2.2"
-* identifier[0].value = "1950047225"
+* identifier[idNatSt].value = "1950047225"
 * name = "CPTS AXE MAJEUR"
 * telecom[0].system =  #phone
 * telecom[0].value = "+33102030405"
diff --git a/input/fsh/profiles/CPTS/FrOrganizationAgregateurCPTS.fsh b/input/fsh/profiles/CPTS/FrOrganizationAgregateurCPTS.fsh
index 59dbfb80f6..fc5d9f443d 100644
--- a/input/fsh/profiles/CPTS/FrOrganizationAgregateurCPTS.fsh
+++ b/input/fsh/profiles/CPTS/FrOrganizationAgregateurCPTS.fsh
@@ -3,10 +3,8 @@ Parent: fr-core-organization
 Id: sas-cpts-organization-aggregator
 Description: "Profil dérivé de FrOrganization pour le cas d'usage agrégateur de la plateforme SAS - cas d'usage CPTS"
 
-* identifier 1..1
-* identifier.type = $fr-location-identifier-type#IDNST
-* identifier.system = "urn:oid:1.2.250.1.71.4.2.2"
-* identifier obeys FINESS-invariant
+* identifier[idNatSt] 1..1
+* identifier[idNatSt] obeys FINESS-invariant
 * name 0..1 MS
 * telecom 0..* MS 
 
diff --git a/input/fsh/profiles/SOS/FrOrganizationAgregateurSOS.fsh b/input/fsh/profiles/SOS/FrOrganizationAgregateurSOS.fsh
index 1d2b782fb2..3ef3843631 100644
--- a/input/fsh/profiles/SOS/FrOrganizationAgregateurSOS.fsh
+++ b/input/fsh/profiles/SOS/FrOrganizationAgregateurSOS.fsh
@@ -4,10 +4,8 @@ Id: sas-sos-organization-aggregator
 Description: "Profil d'Organization, dérivé de FrOrganization, pour le service d’agrégation de créneaux de la plateforme SAS - cas d’usage SOS Médecins"
 
 
-* identifier 1..1
-* identifier.type = $fr-location-identifier-type#IDNST
-* identifier.system = "urn:oid:1.2.250.1.71.4.2.2"
-* identifier obeys SIRET-invariant
+* identifier[idNatSt] 1..1
+* identifier [idNatSt] obeys SIRET-invariant
 
 
 Invariant:   SIRET-invariant
diff --git a/input/fsh/profiles/SOS/FrScheduleAgregateurSOS.fsh b/input/fsh/profiles/SOS/FrScheduleAgregateurSOS.fsh
index 3f17e8ae11..fa690d2275 100644
--- a/input/fsh/profiles/SOS/FrScheduleAgregateurSOS.fsh
+++ b/input/fsh/profiles/SOS/FrScheduleAgregateurSOS.fsh
@@ -3,6 +3,9 @@ Parent: fr-core-schedule
 Id: sas-sos-schedule-aggregator
 Description: "Profil de Schedule, dérivé de FrSchedule, pour le service d’agrégation de créneaux de la plateforme SAS - cas d’usage SOS Médecins"
 
+* meta.profile contains sas-sos-schedule-aggregator 0..1
+* meta.profile[sas-sos-schedule-aggregator] = Canonical(sas-sos-schedule-aggregator)
+
 * actor only Reference(fr-core-location)
 //* actor ^type.aggregation[0] = #referenced
 * actor.reference 1..
\ No newline at end of file