diff --git a/ArbOwnerPublic.sol b/ArbOwnerPublic.sol
index ac1fc31..d0e7f77 100644
--- a/ArbOwnerPublic.sol
+++ b/ArbOwnerPublic.sol
@@ -22,6 +22,11 @@ interface ArbOwnerPublic {
     /// @notice Retrieves the list of chain owners
     function getAllChainOwners() external view returns (address[] memory);
 
+    /// @notice Retrieves the timestamp from when the native token management
+    /// modifications are enabled.
+    /// @notice Available in ArbOS version 50 and above
+    function getNativeTokenManagementFrom() external view returns (uint64);
+
     /// @notice See if the user is a native token owner
     /// @notice Available in ArbOS version 41 and above
     function isNativeTokenOwner(