diff --git a/decoder/src/main/java/dgca/verifier/app/decoder/cbor/CborService.kt b/decoder/src/main/java/dgca/verifier/app/decoder/cbor/CborService.kt
index 1221936..076fa97 100644
--- a/decoder/src/main/java/dgca/verifier/app/decoder/cbor/CborService.kt
+++ b/decoder/src/main/java/dgca/verifier/app/decoder/cbor/CborService.kt
@@ -24,6 +24,14 @@ package dgca.verifier.app.decoder.cbor
 
 import dgca.verifier.app.decoder.model.GreenCertificate
 import dgca.verifier.app.decoder.model.VerificationResult
+import java.time.ZonedDateTime
+
+data class GreenCertificateData(
+    val hcertJson: String,
+    val greenCertificate: GreenCertificate,
+    val issuedAt: ZonedDateTime,
+    val expirationTime: ZonedDateTime
+)
 
 /**
  * Decodes input as a CBOR structure
@@ -31,4 +39,9 @@ import dgca.verifier.app.decoder.model.VerificationResult
 interface CborService {
 
     fun decode(input: ByteArray, verificationResult: VerificationResult): GreenCertificate?
+
+    fun decodeData(
+        input: ByteArray,
+        verificationResult: VerificationResult
+    ): GreenCertificateData?
 }
\ No newline at end of file
diff --git a/decoder/src/main/java/dgca/verifier/app/decoder/cbor/DefaultCborService.kt b/decoder/src/main/java/dgca/verifier/app/decoder/cbor/DefaultCborService.kt
index 5ab73da..0ec4c64 100644
--- a/decoder/src/main/java/dgca/verifier/app/decoder/cbor/DefaultCborService.kt
+++ b/decoder/src/main/java/dgca/verifier/app/decoder/cbor/DefaultCborService.kt
@@ -28,15 +28,24 @@ import dgca.verifier.app.decoder.cwt.CwtHeaderKeys
 import dgca.verifier.app.decoder.model.GreenCertificate
 import dgca.verifier.app.decoder.model.VerificationResult
 import java.time.Instant
+import java.time.ZoneOffset
 
 /**
  * Decodes input as a CBOR structure
  */
 class DefaultCborService : CborService {
 
-    override fun decode(input: ByteArray, verificationResult: VerificationResult): GreenCertificate? {
+    override fun decode(
+        input: ByteArray,
+        verificationResult: VerificationResult
+    ): GreenCertificate? = decodeData(input, verificationResult)?.greenCertificate
+
+    override fun decodeData(
+        input: ByteArray,
+        verificationResult: VerificationResult
+    ): GreenCertificateData? {
         verificationResult.cborDecoded = false
-        try {
+        return try {
             val map = CBORObject.DecodeFromBytes(input)
 
             val issuedAt = Instant.ofEpochSecond(map[CwtHeaderKeys.ISSUED_AT.asCBOR()].AsInt64())
@@ -46,14 +55,16 @@ class DefaultCborService : CborService {
             verificationResult.isNotExpired = expirationTime.isAfter(Instant.now())
 
             val hcert = map[CwtHeaderKeys.HCERT.asCBOR()]
-            val hcertv1 = hcert[CBORObject.FromObject(1)].EncodeToBytes()
 
-            return CBORMapper()
+            val cborObject = hcert[CBORObject.FromObject(1)]
+            val hcertv1 = cborObject.EncodeToBytes()
+
+            val greenCertificate: GreenCertificate = CBORMapper()
                 .readValue(hcertv1, GreenCertificate::class.java)
                 .also { verificationResult.cborDecoded = true }
-
+            GreenCertificateData(cborObject.toString(), greenCertificate, issuedAt.atZone(ZoneOffset.UTC), expirationTime.atZone(ZoneOffset.UTC))
         } catch (e: Throwable) {
-            return null
+            null
         }
     }
 }
\ No newline at end of file
diff --git a/decoder/src/main/java/dgca/verifier/app/decoder/model/GreenCertificate.kt b/decoder/src/main/java/dgca/verifier/app/decoder/model/GreenCertificate.kt
index ad9abed..a6b0425 100644
--- a/decoder/src/main/java/dgca/verifier/app/decoder/model/GreenCertificate.kt
+++ b/decoder/src/main/java/dgca/verifier/app/decoder/model/GreenCertificate.kt
@@ -24,6 +24,7 @@ package dgca.verifier.app.decoder.model
 
 import com.fasterxml.jackson.annotation.JsonProperty
 import java.io.Serializable
+import java.util.*
 
 /**
  * CBOR structure of the certificate
@@ -62,4 +63,15 @@ data class GreenCertificate(
             ""
         }
     }
+
+    fun getIssuingCountry(): String = try {
+        when {
+            vaccinations?.isNotEmpty() == true -> vaccinations.last().countryOfVaccination
+            tests?.isNotEmpty() == true -> tests.last().countryOfVaccination
+            recoveryStatements?.isNotEmpty() == true -> recoveryStatements.last().countryOfVaccination
+            else -> ""
+        }
+    } catch (ex: Exception) {
+        ""
+    }.toLowerCase(Locale.ROOT)
 }
\ No newline at end of file
diff --git a/decoder/src/main/java/dgca/verifier/app/decoder/model/VerificationResult.kt b/decoder/src/main/java/dgca/verifier/app/decoder/model/VerificationResult.kt
index a941466..de2ef47 100644
--- a/decoder/src/main/java/dgca/verifier/app/decoder/model/VerificationResult.kt
+++ b/decoder/src/main/java/dgca/verifier/app/decoder/model/VerificationResult.kt
@@ -31,13 +31,14 @@ data class VerificationResult(
     var isSchemaValid: Boolean = false,
     var isIssuedTimeCorrect: Boolean = false,
     var isNotExpired: Boolean = false,
+    var rulesValidationFailed: Boolean = false,
     var testVerification: TestVerificationResult? = null
 ) {
 
     fun isValid(): Boolean {
         val isTestValid = testVerification?.isTestValid() ?: true
         return base45Decoded && zlibDecoded && coseVerified && cborDecoded && isSchemaValid && isTestValid &&
-                isIssuedTimeCorrect && isNotExpired
+                isIssuedTimeCorrect && isNotExpired && !rulesValidationFailed
     }
 
     /**