diff --git a/contracts/democracy/delegation/DelegationInit.sol b/contracts/democracy/delegation/DelegationInit.sol
index a6ddad6..1a30567 100644
--- a/contracts/democracy/delegation/DelegationInit.sol
+++ b/contracts/democracy/delegation/DelegationInit.sol
@@ -5,35 +5,50 @@ import "./DelegationAbstract.sol";
 /**
  * @title DelegationInit
  * @author Ricardo Guilherme Schmidt (Status Research & Development GmbH)
+ * @notice Initialization Model for Delegation. Is library of functions to initialize instance as Delegation.
  */
 contract DelegationInit is DelegationAbstract {
 
+    modifier notInModel { //avoids control of Init contract
+        require(address(parentDelegation) == address(0), "Bad call"); 
+        _;
+    }
+
+    modifier notImplemented {
+        revert("Wrong model");
+        _;
+    }
+
     /**
-     * @notice Constructor of the model - only knows about watchdog that can trigger upgrade
+     * @notice Constructor of the model
      */
     constructor() public {
         parentDelegation = Delegation(address(-1)); //avoids calling create delegation within the Init contract.
     }
 
     /**
-     * @notice Creates a new Delegation with `_parentDelegation` as default delegation.
+     * @notice Creates a new Delegation with parent as `_parentDelegation` 
+     * @param _parentDelegation lookup delegation of unset users
      */
-    function createDelegation(Delegation _parentDelegation) external {
-        require(address(parentDelegation) == address(0), "Bad call"); //avoids control of Init contract
+    function createDelegation(Delegation _parentDelegation) external notInModel { 
         parentDelegation = _parentDelegation;
     }
 
     /**
      * @notice Creates a new Delegation with `_parentDelegation` as default delegation.
      */
-    function createDelegation(Delegation _parentDelegation, address defaultDelegate) external {
-        require(address(parentDelegation) == address(0), "Bad call"); //avoids control of Init contract
+    function createDelegation(
+        Delegation _parentDelegation, 
+        address payable _controller, 
+        address _defaultDelegate
+    ) external notInModel {
+        controller = _controller; 
         parentDelegation = _parentDelegation;
-        updateDelegate(address(0), defaultDelegate);
+        updateDelegate(address(0), _defaultDelegate);
     }
     
-    function delegate(address) external {}
-    function delegatedTo(address) external view returns (address) {}  
-    function delegatedToAt(address,uint) external view returns (address) {}
+    function delegate(address) external notImplemented {}
+    function delegatedTo(address) external view notImplemented returns (address) {}  
+    function delegatedToAt(address,uint) external view notImplemented returns (address) {}
     
 }
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