diff --git a/schwifty/bban.py b/schwifty/bban.py
index 1d46206..e26924e 100644
--- a/schwifty/bban.py
+++ b/schwifty/bban.py
@@ -105,7 +105,7 @@ def from_components(cls, country_code: str, **values: str) -> BBAN:
             InvalidAccountCode: If the account code does not meet the national requirements.
         """
         spec: dict[str, Any] = _get_bban_spec(country_code)
-        if "positions" not in spec:
+        if "positions" not in spec:  # pragma: no cover
             raise exceptions.SchwiftyException(f"BBAN generation for {country_code} not supported")
 
         ranges = _get_position_ranges(spec)
diff --git a/schwifty/iban.py b/schwifty/iban.py
index fdb5afd..6472a79 100644
--- a/schwifty/iban.py
+++ b/schwifty/iban.py
@@ -12,7 +12,6 @@
 from schwifty import exceptions
 from schwifty import registry
 from schwifty.bban import BBAN
-from schwifty.bban import Component
 from schwifty.bic import BIC
 from schwifty.checksum import ISO7064_mod97_10
 from schwifty.checksum import numerify
@@ -294,13 +293,7 @@ def bic(self) -> BIC | None:
         .. versionchanged:: 2020.08.1
             Returns ``None`` if no appropriate :class:`BIC` can be constructed.
         """
-        key = ""
-        for attr in self.spec.get("bic_lookup_components", [Component.BANK_CODE]):
-            key += getattr(self, attr, "")
-        try:
-            return BIC.from_bank_code(self.country_code, key)
-        except exceptions.SchwiftyException:
-            return None
+        return self.bban.bic
 
     @property
     def country(self) -> Data | None:
diff --git a/tests/test_iban.py b/tests/test_iban.py
index 9f7feff..eb5911d 100644
--- a/tests/test_iban.py
+++ b/tests/test_iban.py
@@ -210,7 +210,11 @@ def test_iban_properties_de() -> None:
     assert iban.bank_code == "43060967"
     assert iban.branch_code == ""
     assert iban.account_code == "7000534100"
+    assert iban.account_id == ""
+    assert iban.account_type == ""
     assert iban.country_code == "DE"
+    assert iban.currency_code == ""
+    assert iban.account_holder_id == ""
     assert iban.national_checksum_digits == ""
     assert iban.bic == "GENODEM1GLS"
     assert iban.formatted == "DE42 4306 0967 7000 5341 00"
@@ -233,6 +237,15 @@ def test_iban_properties_it() -> None:
     assert iban.in_sepa_zone is True
 
 
+def test_iban_properties_is() -> None:
+    iban = IBAN("IS14 0159 2600 7654 5510 7303 39")
+    assert iban.account_holder_id == "5510730339"
+    assert iban.account_code == "007654"
+    assert iban.account_type == "26"
+    assert iban.branch_code == "59"
+    assert iban.bank_code == "01"
+
+
 @pytest.mark.parametrize(
     ("components", "compact"),
     [