    /// @notice Remove a user to the whitelist
    function removeFromWhitelist(address _user) public override {
        IRCFactory factory = IRCFactory(factoryAddress);
        require(factory.isGovernor(msgSender()), "Not authorised");
        isAllowed[_user] = false;
    }

    /// @notice Remove multiple users from the whitelist
    function batchRemoveFromWhitelist(address[] calldata _users) public override {
        for (uint256 index = 0; index < _users.length; index++) {
            removeFromWhitelist(_users[index]);
        }
    }
