diff --git a/src/Shipment/Contracts/ShippingMethod.php b/src/Shipment/Contracts/ShippingMethod.php
index 9bc651b0..4115e795 100644
--- a/src/Shipment/Contracts/ShippingMethod.php
+++ b/src/Shipment/Contracts/ShippingMethod.php
@@ -14,6 +14,8 @@
 
 namespace Vanilo\Shipment\Contracts;
 
+use Illuminate\Support\Collection;
+use Konekt\Address\Contracts\Zone;
 use Vanilo\Contracts\Configurable;
 use Vanilo\Shipment\Models\ShippingFee;
 
@@ -24,4 +26,12 @@ public function getCarrier(): ?Carrier;
     public function getCalculator(): ShippingFeeCalculator;
 
     public function estimate(?object $subject = null): ShippingFee;
+
+    public function isZoneRestricted(): bool;
+
+    public function isNotZoneRestricted(): bool;
+
+    public static function availableOnesForZone(Zone|int $zone): Collection;
+
+    public static function availableOnesForZones(Zone|int ...$zones): Collection;
 }