diff --git a/AppifySheets.Immutable.BankIntegrationTypes/BankAccount.cs b/AppifySheets.Immutable.BankIntegrationTypes/BankAccount.cs
index 7a4c199..9dc7317 100644
--- a/AppifySheets.Immutable.BankIntegrationTypes/BankAccount.cs
+++ b/AppifySheets.Immutable.BankIntegrationTypes/BankAccount.cs
@@ -19,11 +19,16 @@ public record BankAccount
     /// <summary>
     /// Creates a bank account with validation
     /// </summary>
-    public static Result<BankAccount> Create(string iban, string currencyCode)
+    /// <param name="iban">The IBAN or account number</param>
+    /// <param name="currencyCode">The currency code</param>
+    /// <param name="validateIban">Whether to validate the IBAN format (default: true)</param>
+    public static Result<BankAccount> Create(string iban, string currencyCode, bool validateIban = true)
     {
-        var ibanResult = Iban.Create(iban);
+        // Create IBAN with or without validation based on the flag
+        var ibanResult = validateIban ? Iban.Create(iban) : Iban.CreateWithoutValidation(iban);
+            
         if (ibanResult.IsFailure)
-            return Result.Failure<BankAccount>($"Invalid IBAN: {ibanResult.Error}");
+            return Result.Failure<BankAccount>($"Invalid {(validateIban ? "IBAN" : "account number")}: {ibanResult.Error}");
             
         var currencyResult = Currency.Create(currencyCode);
         if (currencyResult.IsFailure)
diff --git a/AppifySheets.Immutable.BankIntegrationTypes/Iban.cs b/AppifySheets.Immutable.BankIntegrationTypes/Iban.cs
index 9b18eb0..c50e177 100644
--- a/AppifySheets.Immutable.BankIntegrationTypes/Iban.cs
+++ b/AppifySheets.Immutable.BankIntegrationTypes/Iban.cs
@@ -40,6 +40,19 @@ public static Result<Iban> Create(string value)
         return Result.Success(new Iban(normalized));
     }
     
+    /// <summary>
+    /// Creates an IBAN instance without validation (for non-IBAN account numbers)
+    /// </summary>
+    internal static Result<Iban> CreateWithoutValidation(string value)
+    {
+        if (string.IsNullOrWhiteSpace(value))
+            return Result.Failure<Iban>("Account number cannot be empty");
+            
+        // Just normalize by removing spaces and converting to uppercase
+        var normalized = value.Replace(" ", "").ToUpperInvariant();
+        return Result.Success(new Iban(normalized));
+    }
+    
     
     public override string ToString() => Value;
     
diff --git a/VERSION b/VERSION
index 359a5b9..50aea0e 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.0.0
\ No newline at end of file
+2.1.0
\ No newline at end of file