diff --git a/core/src/commonMain/kotlin/com/sourcepoint/mobile_core/Coordinator.kt b/core/src/commonMain/kotlin/com/sourcepoint/mobile_core/Coordinator.kt
index 900fd94d..2c40b002 100644
--- a/core/src/commonMain/kotlin/com/sourcepoint/mobile_core/Coordinator.kt
+++ b/core/src/commonMain/kotlin/com/sourcepoint/mobile_core/Coordinator.kt
@@ -38,6 +38,7 @@ import com.sourcepoint.mobile_core.network.requests.ConsentStatusRequest
 import com.sourcepoint.mobile_core.network.requests.GDPRChoiceRequest
 import com.sourcepoint.mobile_core.network.requests.GlobalCmpChoiceRequest
 import com.sourcepoint.mobile_core.network.requests.IncludeData
+import com.sourcepoint.mobile_core.network.requests.IncludeData.GPPConfig
 import com.sourcepoint.mobile_core.network.requests.MessagesRequest
 import com.sourcepoint.mobile_core.network.requests.MetaDataRequest
 import com.sourcepoint.mobile_core.network.requests.PreferencesChoiceRequest
@@ -74,7 +75,7 @@ class Coordinator(
     private val idfaStatus: SPIDFAStatus? get() = getIDFAStatus()
     // TODO: implement using expect/actual
     var getIDFAStatus: (() -> SPIDFAStatus?) = { SPIDFAStatus.current() } // workaround for ios
-    private val includeData: IncludeData = IncludeData()
+    private val includeData: IncludeData = IncludeData(gppConfig = campaigns.usnat?.gppConfig ?: GPPConfig())
 
     private var needsNewUSNatData = false
     private var needsNewGlobalCmpData = false
diff --git a/core/src/commonMain/kotlin/com/sourcepoint/mobile_core/models/SPCampaign.kt b/core/src/commonMain/kotlin/com/sourcepoint/mobile_core/models/SPCampaign.kt
index 021cd602..0e3d73ed 100644
--- a/core/src/commonMain/kotlin/com/sourcepoint/mobile_core/models/SPCampaign.kt
+++ b/core/src/commonMain/kotlin/com/sourcepoint/mobile_core/models/SPCampaign.kt
@@ -1,11 +1,11 @@
 package com.sourcepoint.mobile_core.models
 
-import com.sourcepoint.mobile_core.network.requests.IncludeData
+import com.sourcepoint.mobile_core.network.requests.IncludeData.GPPConfig
 
 data class SPCampaign (
     val targetingParams: SPTargetingParams = emptyMap(),
     val groupPmId: String? = null,
-    val gppConfig: IncludeData.GPPConfig? = null,
-    val transitionCCPAAuth: Boolean? = null,
-    val supportLegacyUSPString: Boolean? = null
+    val supportLegacyUSPString: Boolean? = null,
+    val gppConfig: GPPConfig = GPPConfig(uspString = supportLegacyUSPString ?: false),
+    val transitionCCPAAuth: Boolean? = null
 )
diff --git a/core/src/commonMain/kotlin/com/sourcepoint/mobile_core/network/requests/IncludeData.kt b/core/src/commonMain/kotlin/com/sourcepoint/mobile_core/network/requests/IncludeData.kt
index 0e6d7f26..6b82ed74 100644
--- a/core/src/commonMain/kotlin/com/sourcepoint/mobile_core/network/requests/IncludeData.kt
+++ b/core/src/commonMain/kotlin/com/sourcepoint/mobile_core/network/requests/IncludeData.kt
@@ -12,7 +12,7 @@ data class IncludeData(
     val localState: TypeString = TypeString(),
     val categories: Boolean = true,
     var translateMessage: Boolean? = null,
-    @SerialName("GPPData") val gppData: GPPConfig = GPPConfig()
+    @SerialName("GPPData") val gppConfig: GPPConfig = GPPConfig()
 ) {
     @Serializable
     data class TypeString(val type: String = "string") {
@@ -24,7 +24,7 @@ data class IncludeData(
         val MspaCoveredTransaction: MspaBinaryFlag? = null,
         val MspaOptOutOptionMode: MspaTernaryFlag? = null,
         val MspaServiceProviderMode: MspaTernaryFlag? = null,
-        val uspString: Boolean? = true
+        val uspString: Boolean = false
     ) {
         override fun toString() = json.encodeToString(this)
     }
diff --git a/core/src/commonTest/kotlin/com/sourcepoint/mobile_core/network/IncludeDataTest.kt b/core/src/commonTest/kotlin/com/sourcepoint/mobile_core/network/IncludeDataTest.kt
index 7e2d3b5f..5ed12146 100644
--- a/core/src/commonTest/kotlin/com/sourcepoint/mobile_core/network/IncludeDataTest.kt
+++ b/core/src/commonTest/kotlin/com/sourcepoint/mobile_core/network/IncludeDataTest.kt
@@ -10,7 +10,7 @@ class IncludeDataTest {
     fun defaultValues() {
         val includeData = IncludeData().toString()
         assertEquals(
-            "{\"TCData\":{\"type\":\"string\"},\"webConsentPayload\":{\"type\":\"string\"},\"localState\":{\"type\":\"string\"},\"categories\":true,\"GPPData\":{\"uspString\":true}}",
+            "{\"TCData\":{\"type\":\"string\"},\"webConsentPayload\":{\"type\":\"string\"},\"localState\":{\"type\":\"string\"},\"categories\":true,\"GPPData\":{\"uspString\":false}}",
             includeData
         )
     }