diff --git a/Sources/BranchSDK/BNCPreferenceHelper.m b/Sources/BranchSDK/BNCPreferenceHelper.m
index f9c9ca018..8f8b91496 100644
--- a/Sources/BranchSDK/BNCPreferenceHelper.m
+++ b/Sources/BranchSDK/BNCPreferenceHelper.m
@@ -823,12 +823,20 @@ - (void) setAdUserDataUsageConsent:(BOOL)hasConsent {
     }
 }
 
-- (NSInteger)attributionLevel {
-    return [self readIntegerFromDefaults:BRANCH_PREFS_KEY_ATTRIBUTION_LEVEL];
+- (BOOL) attributionLevelInitialized {
+    @synchronized(self) {
+        if([self readObjectFromDefaults:BRANCH_PREFS_KEY_ATTRIBUTION_LEVEL])
+            return YES;
+        return NO;
+    }
+}
+
+- (BranchAttributionLevel)attributionLevel {
+    return [self readStringFromDefaults:BRANCH_PREFS_KEY_ATTRIBUTION_LEVEL];
 }
 
-- (void)setAttributionLevel:(NSInteger)level {
-    [self writeIntegerToDefaults:BRANCH_PREFS_KEY_ATTRIBUTION_LEVEL value:level];
+- (void)setAttributionLevel:(BranchAttributionLevel)level {
+    [self writeObjectToDefaults:BRANCH_PREFS_KEY_ATTRIBUTION_LEVEL value:level];
 }
 
 - (void) clearTrackingInformation {
diff --git a/Sources/BranchSDK/BNCRequestFactory.m b/Sources/BranchSDK/BNCRequestFactory.m
index 41daf8144..a22be9972 100644
--- a/Sources/BranchSDK/BNCRequestFactory.m
+++ b/Sources/BranchSDK/BNCRequestFactory.m
@@ -117,6 +117,8 @@ - (NSDictionary *)dataForInstallWithURLString:(NSString *)urlString {
     // Add DMA Compliance Params for Google
     [self addDMAConsentParamsToJSON:json];
     
+    [self addConsumerProtectionAttributionLevel:json];
+
     return json;
 }
 
@@ -164,6 +166,8 @@ - (NSDictionary *)dataForOpenWithURLString:(NSString *)urlString {
     // Add DMA Compliance Params for Google
     [self addDMAConsentParamsToJSON:json];
     
+    [self addConsumerProtectionAttributionLevel:json];
+
     return json;
 }
 
@@ -342,7 +346,6 @@ - (void)addDMAConsentParamsToJSON:(NSMutableDictionary *)json {
     }
 }
 
-
 - (void)addLocalURLToInstallJSON:(NSMutableDictionary *)json {
     if ([BNCPasteboard sharedInstance].checkOnInstall) {
         NSURL *pasteboardURL = nil;
@@ -414,10 +417,6 @@ - (void)addAppClipDataToJSON:(NSMutableDictionary *)json {
 - (void)addDefaultRequestDataToJSON:(NSMutableDictionary *)json {
     json[@"branch_key"] = self.branchKey;
     
-    if (self.preferenceHelper.attributionLevel != NSNotFound) {
-        [json bnc_safeSetObject:@(self.preferenceHelper.attributionLevel) forKey:@"consumer_protection_attribution_level"];
-    }
-    
     // omit field if value is NO
     if ([self isTrackingDisabled]) {
         json[@"tracking_disabled"] = @(1);
@@ -491,6 +490,12 @@ - (void)addDeveloperUserIDToJSON:(NSMutableDictionary *)json {
     [json bnc_safeSetObject:self.preferenceHelper.userIdentity forKey:@"identity"];
 }
 
+- (void)addConsumerProtectionAttributionLevel:(NSMutableDictionary *)json {
+    if([self.preferenceHelper attributionLevelInitialized]){
+        [self safeSetValue:[self.preferenceHelper attributionLevel] forKey:BRANCH_REQUEST_KEY_CPP_LEVEL onDict:json];
+    }
+}
+
 // event
 - (void)addV2DictionaryToJSON:(NSMutableDictionary *)json {
     NSDictionary *tmp = [self v2dictionary];
@@ -554,6 +559,8 @@ - (NSDictionary *)v2dictionary {
     // Add DMA Compliance Params for Google
     [self addDMAConsentParamsToJSON:dictionary];
     
+    [self addConsumerProtectionAttributionLevel:dictionary];
+    
     return dictionary;
 }
 
diff --git a/Sources/BranchSDK/Branch.m b/Sources/BranchSDK/Branch.m
index a536398a9..c318ffcb5 100644
--- a/Sources/BranchSDK/Branch.m
+++ b/Sources/BranchSDK/Branch.m
@@ -84,6 +84,11 @@
 
 NSString * const BNCSpotlightFeature = @"spotlight";
 
+BranchAttributionLevel const BranchAttributionLevelFull = @"FULL";
+BranchAttributionLevel const BranchAttributionLevelReduced = @"REDUCED";
+BranchAttributionLevel const BranchAttributionLevelMinimal = @"MINIMAL";
+BranchAttributionLevel const BranchAttributionLevelNone = @"NONE";
+
 #ifndef CSSearchableItemActivityIdentifier
 #define CSSearchableItemActivityIdentifier @"kCSSearchableItemActivityIdentifier"
 #endif
@@ -542,7 +547,7 @@ + (void) setDMAParamsForEEA:(BOOL)eeaRegion AdPersonalizationConsent:(BOOL)adPer
 - (void)setConsumerProtectionAttributionLevel:(BranchAttributionLevel)level {
     self.preferenceHelper.attributionLevel = level;
     
-    [[BranchLogger shared] logVerbose:[NSString stringWithFormat:@"Setting Consumer Protection Attribution Level to %lu", (unsigned long)level] error:nil];
+    [[BranchLogger shared] logVerbose:[NSString stringWithFormat:@"Setting Consumer Protection Attribution Level to %@", level] error:nil];
     
     //Set tracking to disabled if consumer protection attribution level is changed to BranchAttributionLevelNone. Otherwise, keep tracking enabled.
     if (level == BranchAttributionLevelNone) {
@@ -565,7 +570,7 @@ - (void)setConsumerProtectionAttributionLevel:(BranchAttributionLevel)level {
     } else {
         if ([Branch trackingDisabled]) {
             //Enable Tracking
-            [[BranchLogger shared] logVerbose:[NSString stringWithFormat:@"Enabling attribution events due to Consumer Protection Attribution Level being %lu.", (unsigned long)level] error:nil];
+            [[BranchLogger shared] logVerbose:[NSString stringWithFormat:@"Enabling attribution events due to Consumer Protection Attribution Level being %@.", level] error:nil];
             
             // Set the flag:
             [BNCPreferenceHelper sharedInstance].trackingDisabled = NO;
diff --git a/Sources/BranchSDK/BranchConstants.m b/Sources/BranchSDK/BranchConstants.m
index 96749379b..e87819e98 100644
--- a/Sources/BranchSDK/BranchConstants.m
+++ b/Sources/BranchSDK/BranchConstants.m
@@ -166,3 +166,4 @@
 NSString * const BRANCH_REQUEST_KEY_DMA_AD_PEROSALIZATION = @"dma_ad_personalization";
 NSString * const BRANCH_REQUEST_KEY_DMA_AD_USER_DATA = @"dma_ad_user_data";
 
+NSString * const BRANCH_REQUEST_KEY_CPP_LEVEL = @"cpp_level";
diff --git a/Sources/BranchSDK/Private/BranchConstants.h b/Sources/BranchSDK/Private/BranchConstants.h
index da64586c4..9a13399ca 100644
--- a/Sources/BranchSDK/Private/BranchConstants.h
+++ b/Sources/BranchSDK/Private/BranchConstants.h
@@ -167,3 +167,5 @@ extern NSString * const BRANCH_REQUEST_KEY_VALUE_POSTBACK_SEQUENCE_INDEX_2;
 extern NSString * const BRANCH_REQUEST_KEY_DMA_EEA;
 extern NSString * const BRANCH_REQUEST_KEY_DMA_AD_PEROSALIZATION;
 extern NSString * const BRANCH_REQUEST_KEY_DMA_AD_USER_DATA;
+
+extern NSString * const BRANCH_REQUEST_KEY_CPP_LEVEL;
diff --git a/Sources/BranchSDK/Public/BNCPreferenceHelper.h b/Sources/BranchSDK/Public/BNCPreferenceHelper.h
index a5faa8236..464d5508a 100644
--- a/Sources/BranchSDK/Public/BNCPreferenceHelper.h
+++ b/Sources/BranchSDK/Public/BNCPreferenceHelper.h
@@ -76,7 +76,7 @@ NSURL* /* _Nonnull */ BNCURLForBranchDirectory(void);
 @property (assign, nonatomic) BOOL adPersonalizationConsent;
 @property (assign, nonatomic) BOOL adUserDataUsageConsent;
 
-@property (nonatomic, assign) NSInteger attributionLevel;
+@property (nonatomic, assign) NSString *attributionLevel;
 
 
 - (void) clearTrackingInformation;
@@ -103,5 +103,6 @@ NSURL* /* _Nonnull */ BNCURLForBranchDirectory(void);
 - (void) synchronize;  //  Flushes preference queue to persistence.
 + (void) clearAll;
 - (BOOL) eeaRegionInitialized;
+- (BOOL) attributionLevelInitialized;
 
 @end
diff --git a/Sources/BranchSDK/Public/Branch.h b/Sources/BranchSDK/Public/Branch.h
index ce3a1f031..6f0cc0572 100644
--- a/Sources/BranchSDK/Public/Branch.h
+++ b/Sources/BranchSDK/Public/Branch.h
@@ -816,48 +816,48 @@ Sets a custom base URL for all calls to the Branch API.
 /**
  * Enumeration representing different levels of consumer protection attribution levels
  */
-typedef NS_ENUM(NSUInteger, BranchAttributionLevel) {
-    /**
-     * Full:
-     * - Advertising Ids
-     * - Device Ids
-     * - Local IP
-     * - Persisted Non-Aggregate Ids
-     * - Persisted Aggregate Ids
-     * - Ads Postbacks / Webhooks
-     * - Data Integrations Webhooks
-     * - SAN Callouts
-     * - Privacy Frameworks
-     * - Deep Linking
-     */
-    BranchAttributionLevelFull = 0,
-    
-    /**
-     * Reduced:
-     * - Device Ids
-     * - Local IP
-     * - Data Integrations Webhooks
-     * - Privacy Frameworks
-     * - Deep Linking
-     */
-    BranchAttributionLevelReduced = 1,
-    
-    /**
-     * Minimal:
-     * - Device Ids
-     * - Local IP
-     * - Data Integrations Webhooks
-     * - Deep Linking
-     */
-    BranchAttributionLevelMinimal = 2,
-    
-    /**
-     * None:
-     * - Only Deterministic Deep Linking
-     * - Disables all other Branch requests
-     */
-    BranchAttributionLevelNone = 3
-};
+typedef NSString * BranchAttributionLevel NS_STRING_ENUM;
+
+/**
+ * Full:
+ * - Advertising Ids
+ * - Device Ids
+ * - Local IP
+ * - Persisted Non-Aggregate Ids
+ * - Persisted Aggregate Ids
+ * - Ads Postbacks / Webhooks
+ * - Data Integrations Webhooks
+ * - SAN Callouts
+ * - Privacy Frameworks
+ * - Deep Linking
+ */
+extern BranchAttributionLevel const BranchAttributionLevelFull;
+
+/**
+ * Reduced:
+ * - Device Ids
+ * - Local IP
+ * - Data Integrations Webhooks
+ * - Privacy Frameworks
+ * - Deep Linking
+ */
+extern BranchAttributionLevel const BranchAttributionLevelReduced;
+
+/**
+ * Minimal:
+ * - Device Ids
+ * - Local IP
+ * - Data Integrations Webhooks
+ * - Deep Linking
+ */
+extern BranchAttributionLevel const BranchAttributionLevelMinimal;
+
+/**
+ * None:
+ * - Only Deterministic Deep Linking
+ * - Disables all other Branch requests
+ */
+extern BranchAttributionLevel const BranchAttributionLevelNone;
 
 
 /**