diff --git a/CapabilityStatement/CapabilityStatement-UKCore.xml b/CapabilityStatement/CapabilityStatement-UKCore.xml
index 9e7ca197..3e15cd17 100644
--- a/CapabilityStatement/CapabilityStatement-UKCore.xml
+++ b/CapabilityStatement/CapabilityStatement-UKCore.xml
@@ -141,6 +141,10 @@
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diff --git a/codesystems/CodeSystem-UKCore-DateTimeType.xml b/codesystems/CodeSystem-UKCore-DateTimeType.xml
index e00bb79d..c2008e95 100644
--- a/codesystems/CodeSystem-UKCore-DateTimeType.xml
+++ b/codesystems/CodeSystem-UKCore-DateTimeType.xml
@@ -85,9 +85,4 @@
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diff --git a/structuredefinitions/Extension-UKCore-TypedPeriod.xml b/structuredefinitions/Extension-UKCore-TypedPeriod.xml
index 6dfb43dd..3fc88b8c 100644
--- a/structuredefinitions/Extension-UKCore-TypedPeriod.xml
+++ b/structuredefinitions/Extension-UKCore-TypedPeriod.xml
@@ -65,7 +65,7 @@
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diff --git a/structuredefinitions/UKCore-OrganizationAffiliation.xml b/structuredefinitions/UKCore-OrganizationAffiliation.xml
new file mode 100644
index 00000000..fb1461fa
--- /dev/null
+++ b/structuredefinitions/UKCore-OrganizationAffiliation.xml
@@ -0,0 +1,137 @@
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diff --git a/valuesets/ValueSet-UKCore-DateTimeType.xml b/valuesets/ValueSet-UKCore-DateTimeType.xml
index 0a7a0d64..bdca4392 100644
--- a/valuesets/ValueSet-UKCore-DateTimeType.xml
+++ b/valuesets/ValueSet-UKCore-DateTimeType.xml
@@ -27,7 +27,7 @@
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@@ -94,10 +94,5 @@
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