diff --git a/WultraMobileTokenSDK/Operations/Model/Requests/WMTAuthorizationData.swift b/WultraMobileTokenSDK/Operations/Model/Requests/WMTAuthorizationData.swift
index 9c3e48b..ab64089 100644
--- a/WultraMobileTokenSDK/Operations/Model/Requests/WMTAuthorizationData.swift
+++ b/WultraMobileTokenSDK/Operations/Model/Requests/WMTAuthorizationData.swift
@@ -34,7 +34,7 @@ class WMTAuthorizationData: Codable {
         self.proximityCheck = proximityCheck
     }
     
-    init(operation: WMTOperation, timestampSigned: Date = Date()) {
+    init(operation: WMTOperation, timestampSent: Date = Date()) {
         self.id = operation.id
         self.data = operation.data
         
@@ -46,8 +46,8 @@ class WMTAuthorizationData: Codable {
         self.proximityCheck = WMTProximityCheckData(
             otp: proximityCheck.totp,
             type: proximityCheck.type,
-            timestampRequested: proximityCheck.timestampRequested,
-            timestampSigned: timestampSigned
+            timestampReceived: proximityCheck.timestampReceived,
+            timestampSent: timestampSent
         )
     }
 }
@@ -62,8 +62,8 @@ struct WMTProximityCheckData: Codable {
     let type: WMTProximityCheckType
     
     /// Timestamp when the operation was delivered to the app
-    let timestampRequested: Date
+    let timestampReceived: Date
     
     /// Timestamp when the operation was signed
-    let timestampSigned: Date
+    let timestampSent: Date
 }
diff --git a/WultraMobileTokenSDK/Operations/Model/UserOperation/WMTProximityCheck.swift b/WultraMobileTokenSDK/Operations/Model/UserOperation/WMTProximityCheck.swift
index e05411e..6c23683 100644
--- a/WultraMobileTokenSDK/Operations/Model/UserOperation/WMTProximityCheck.swift
+++ b/WultraMobileTokenSDK/Operations/Model/UserOperation/WMTProximityCheck.swift
@@ -28,12 +28,12 @@ public class WMTProximityCheck: Codable {
     public let type: WMTProximityCheckType
     
     /// Timestamp when the operation was scanned (qrCode) or delivered to the device (deeplink)
-    public let timestampRequested: Date
+    public let timestampReceived: Date
     
-    public init(totp: String, type: WMTProximityCheckType, timestampRequested: Date = Date()) {
+    public init(totp: String, type: WMTProximityCheckType, timestampReceived: Date = Date()) {
         self.totp = totp
         self.type = type
-        self.timestampRequested = timestampRequested
+        self.timestampReceived = timestampReceived
     }
 }
 
diff --git a/WultraMobileTokenSDK/Operations/Service/WMTOperationsImpl.swift b/WultraMobileTokenSDK/Operations/Service/WMTOperationsImpl.swift
index 9a6d98a..83cea61 100644
--- a/WultraMobileTokenSDK/Operations/Service/WMTOperationsImpl.swift
+++ b/WultraMobileTokenSDK/Operations/Service/WMTOperationsImpl.swift
@@ -243,7 +243,7 @@ class WMTOperationsImpl<T: WMTUserOperation>: WMTOperations, WMTService {
             return nil
         }
         
-        let data = WMTAuthorizationData(operation: operation, timestampSigned: currentServerDate ?? Date())
+        let data = WMTAuthorizationData(operation: operation, timestampSent: currentServerDate ?? Date())
         
         return networking.post(data: .init(data), signedWith: authentication, to: WMTOperationEndpoints.Authorize.endpoint) { response, error in
             self.processResult(response: response, error: error) { result in
diff --git a/docs/Using-Operations-Service.md b/docs/Using-Operations-Service.md
index 1fa0006..ff2c551 100644
--- a/docs/Using-Operations-Service.md
+++ b/docs/Using-Operations-Service.md
@@ -515,7 +515,7 @@ public class WMTProximityCheck: Codable {
     /// Type of the Proximity check
     public let type: WMTProximityCheckType
     /// Timestamp when the operation was scanned (QR Code) or delivered to the device (Deeplink)
-    public let timestampRequested: Date
+    public let timestampReceived: Date
 }
 ```
 
@@ -617,10 +617,10 @@ When the app is launched via a deeplink, preserve the data from the deeplink and
 Once the QR code is scanned or match from the deeplink is found, create a `WMTProximityCheck` with:
     - `totp`: The actual Time-Based One-Time Password.
     - `type`: Set to `WMTProximityCheckType.qrCode` or `WMTProximityCheckType.deeplink`.
-    - `timestampRequested`: The timestamp when the QR code was scanned (by default, it is created as the current timestamp).
+    - `timestampReceived`: The timestamp when the QR code was scanned (by default, it is created as the current timestamp).
 
 - Authorizing the WMTProximityCheck
-When authorization, the SDK will by default add `timestampSigned` to the `WMTProximityCheck` object. This timestamp indicates when the operation was signed.
+When authorization, the SDK will by default add `timestampSent` to the `WMTProximityCheck` object. This timestamp indicates when the operation was signed.
 
 ### WMTPACUtils
 - For convenience, utility class for parsing and extracting data from QR codes and deeplinks used in the PAC (Proximity Anti-fraud Check), is provided.