diff --git a/contracts/SecurityTokenRegistry.sol b/contracts/SecurityTokenRegistry.sol
index 9f81cc7aa..e4655ea04 100644
--- a/contracts/SecurityTokenRegistry.sol
+++ b/contracts/SecurityTokenRegistry.sol
@@ -333,7 +333,7 @@ contract SecurityTokenRegistry is EternalStorage, Proxy {
         // Attempt to charge the reg fee if it is > 0 USD
         (uint256 usdFee, uint256 polyFee) = _takeFee(TICKERREGFEE);
         string memory ticker = Util.upper(_ticker);
-        require(_tickerAvailable(ticker), "Ticker reserved");
+        require(tickerAvailable(ticker), "Ticker reserved");
         // Check whether ticker was previously registered (and expired)
         address previousOwner = _tickerOwner(ticker);
         if (previousOwner != address(0)) {
@@ -462,11 +462,11 @@ contract SecurityTokenRegistry is EternalStorage, Proxy {
     }
 
     /**
-     * @notice Internal - Checks if the entered ticker is registered and has not expired
+     * @notice Checks if the entered ticker is registered and has not expired
      * @param _ticker is the token ticker
      * @return bool
      */
-    function _tickerAvailable(string memory _ticker) internal view returns(bool) {
+    function tickerAvailable(string memory _ticker) public view returns(bool) {
         if (_tickerOwner(_ticker) != address(0)) {
             /*solium-disable-next-line security/no-block-members*/
             if ((now > getUintValue(Encoder.getKey("registeredTickers_expiryDate", _ticker))) && !_tickerStatus(_ticker)) {
diff --git a/contracts/interfaces/ISecurityTokenRegistry.sol b/contracts/interfaces/ISecurityTokenRegistry.sol
index 9b8d391fa..fb3dcf7dd 100644
--- a/contracts/interfaces/ISecurityTokenRegistry.sol
+++ b/contracts/interfaces/ISecurityTokenRegistry.sol
@@ -232,4 +232,11 @@ interface ISecurityTokenRegistry {
      */
     function owner() external view returns(address ownerAddress);
 
+    /**
+     * @notice Checks if the entered ticker is registered and has not expired
+     * @param _ticker is the token ticker
+     * @return bool
+     */
+    function tickerAvailable(string calldata _ticker) external view returns(bool);
+
 }
diff --git a/contracts/modules/Checkpoint/Voting/PLCR/PLCRVotingCheckpoint.sol b/contracts/modules/Checkpoint/Voting/PLCR/PLCRVotingCheckpoint.sol
index 7af068726..f8b4b9483 100644
--- a/contracts/modules/Checkpoint/Voting/PLCR/PLCRVotingCheckpoint.sol
+++ b/contracts/modules/Checkpoint/Voting/PLCR/PLCRVotingCheckpoint.sol
@@ -27,7 +27,7 @@ contract PLCRVotingCheckpoint is PLCRVotingCheckpointStorage, VotingCheckpoint {
         uint256 _proposedQuorum
     );
     event BallotStatusChanged(uint256 indexed _ballotId, bool _newStatus);
-    event ChangedBallotExemptedVotersList(uint256 indexed _ballotId, address indexed _voter, bool _change);
+    event ChangedBallotExemptedVotersList(uint256 indexed _ballotId, address indexed _voter, bool _exempt);
 
     constructor(address _securityToken, address _polyAddress)
     public
@@ -172,31 +172,31 @@ contract PLCRVotingCheckpoint is PLCRVotingCheckpointStorage, VotingCheckpoint {
      * Change the given ballot exempted list
      * @param _ballotId Given ballot Id
      * @param _voter Address of the voter
-     * @param _change Whether it is exempted or not
+     * @param _exempt Whether it is exempted or not
      */
-    function changeBallotExemptedVotersList(uint256 _ballotId, address _voter, bool _change) external withPerm(ADMIN) {
-        _changeBallotExemptedVotersList(_ballotId, _voter, _change);
+    function changeBallotExemptedVotersList(uint256 _ballotId, address _voter, bool _exempt) external withPerm(ADMIN) {
+        _changeBallotExemptedVotersList(_ballotId, _voter, _exempt);
     }
 
     /**
      * Change the given ballot exempted list (Multi)
      * @param _ballotId Given ballot Id
      * @param _voters Address of the voter
-     * @param _changes Whether it is exempted or not
+     * @param _exempts Whether it is exempted or not
      */
-    function changeBallotExemptedVotersListMulti(uint256 _ballotId, address[] calldata _voters, bool[] calldata _changes) external withPerm(ADMIN) {
-        require(_voters.length == _changes.length, "Array length mismatch");
+    function changeBallotExemptedVotersListMulti(uint256 _ballotId, address[] calldata _voters, bool[] calldata _exempts) external withPerm(ADMIN) {
+        require(_voters.length == _exempts.length, "Array length mismatch");
         for (uint256 i = 0; i < _voters.length; i++) {
-            _changeBallotExemptedVotersList(_ballotId, _voters[i], _changes[i]);
+            _changeBallotExemptedVotersList(_ballotId, _voters[i], _exempts[i]);
         }
     }
 
-    function _changeBallotExemptedVotersList(uint256 _ballotId, address _voter, bool _change) internal {
+    function _changeBallotExemptedVotersList(uint256 _ballotId, address _voter, bool _exempt) internal {
         require(_voter != address(0), "Invalid address");
         _validBallotId(_ballotId);
-        require(ballots[_ballotId].exemptedVoters[_voter] != _change, "No change");
-        ballots[_ballotId].exemptedVoters[_voter] = _change;
-        emit ChangedBallotExemptedVotersList(_ballotId, _voter, _change);
+        require(ballots[_ballotId].exemptedVoters[_voter] != _exempt, "No change");
+        ballots[_ballotId].exemptedVoters[_voter] = _exempt;
+        emit ChangedBallotExemptedVotersList(_ballotId, _voter, _exempt);
     }
 
     /**
diff --git a/contracts/modules/Checkpoint/Voting/Transparent/WeightedVoteCheckpoint.sol b/contracts/modules/Checkpoint/Voting/Transparent/WeightedVoteCheckpoint.sol
index bc186a5e0..a40558e3c 100644
--- a/contracts/modules/Checkpoint/Voting/Transparent/WeightedVoteCheckpoint.sol
+++ b/contracts/modules/Checkpoint/Voting/Transparent/WeightedVoteCheckpoint.sol
@@ -23,7 +23,7 @@ contract WeightedVoteCheckpoint is WeightedVoteCheckpointStorage, VotingCheckpoi
     );
     event VoteCast(address indexed _voter,  uint256 _weight, uint256 indexed _ballotId, uint256 indexed _proposalId);
     event BallotStatusChanged(uint256 indexed _ballotId, bool _isActive);
-    event ChangedBallotExemptedVotersList(uint256 indexed _ballotId, address indexed _voter, bool _change);
+    event ChangedBallotExemptedVotersList(uint256 indexed _ballotId, address indexed _voter, bool _exempt);
 
     /**
      * @notice Constructor
@@ -124,31 +124,31 @@ contract WeightedVoteCheckpoint is WeightedVoteCheckpointStorage, VotingCheckpoi
      * Change the given ballot exempted list
      * @param _ballotId Given ballot Id
      * @param _voter Address of the voter
-     * @param _change Whether it is exempted or not
+     * @param _exempt Whether it is exempted or not
      */
-    function changeBallotExemptedVotersList(uint256 _ballotId, address _voter, bool _change) external withPerm(ADMIN) {
-        _changeBallotExemptedVotersList(_ballotId, _voter, _change);
+    function changeBallotExemptedVotersList(uint256 _ballotId, address _voter, bool _exempt) external withPerm(ADMIN) {
+        _changeBallotExemptedVotersList(_ballotId, _voter, _exempt);
     }
 
     /**
      * Change the given ballot exempted list (Multi)
      * @param _ballotId Given ballot Id
      * @param _voters Address of the voter
-     * @param _changes Whether it is exempted or not
+     * @param _exempts Whether it is exempted or not
      */
-    function changeBallotExemptedVotersListMulti(uint256 _ballotId, address[] calldata _voters, bool[] calldata _changes) external withPerm(ADMIN) {
-        require(_voters.length == _changes.length, "Array length mismatch");
+    function changeBallotExemptedVotersListMulti(uint256 _ballotId, address[] calldata _voters, bool[] calldata _exempts) external withPerm(ADMIN) {
+        require(_voters.length == _exempts.length, "Array length mismatch");
         for (uint256 i = 0; i < _voters.length; i++) {
-            _changeBallotExemptedVotersList(_ballotId, _voters[i], _changes[i]);
+            _changeBallotExemptedVotersList(_ballotId, _voters[i], _exempts[i]);
         }
     }
 
-    function _changeBallotExemptedVotersList(uint256 _ballotId, address _voter, bool _change) internal {
+    function _changeBallotExemptedVotersList(uint256 _ballotId, address _voter, bool _exempt) internal {
         require(_voter != address(0), "Invalid address");
         _validBallotId(_ballotId);
-        require(ballots[_ballotId].exemptedVoters[_voter] != _change, "No change");
-        ballots[_ballotId].exemptedVoters[_voter] = _change;
-        emit ChangedBallotExemptedVotersList(_ballotId, _voter, _change);
+        require(ballots[_ballotId].exemptedVoters[_voter] != _exempt, "No change");
+        ballots[_ballotId].exemptedVoters[_voter] = _exempt;
+        emit ChangedBallotExemptedVotersList(_ballotId, _voter, _exempt);
     }
 
     /**
diff --git a/contracts/modules/Checkpoint/Voting/VotingCheckpoint.sol b/contracts/modules/Checkpoint/Voting/VotingCheckpoint.sol
index c938bb47c..47013b4fe 100644
--- a/contracts/modules/Checkpoint/Voting/VotingCheckpoint.sol
+++ b/contracts/modules/Checkpoint/Voting/VotingCheckpoint.sol
@@ -7,33 +7,33 @@ import "../../../storage/modules/Checkpoint/Voting/VotingCheckpointStorage.sol";
 
 contract VotingCheckpoint is VotingCheckpointStorage, ICheckpoint, IVoting, Module {
 
-    event ChangedDefaultExemptedVotersList(address indexed _voter, bool _change);
+    event ChangedDefaultExemptedVotersList(address indexed _voter, bool _exempt);
 
     /**
      * Change the global exempted voters list
      * @param _voter Address of the voter
-     * @param _change Whether it is exempted or not
+     * @param _exempt Whether it is exempted or not
      */
-    function changeDefaultExemptedVotersList(address _voter, bool _change) external withPerm(ADMIN) {
-        _changeDefaultExemptedVotersList(_voter, _change);
+    function changeDefaultExemptedVotersList(address _voter, bool _exempt) external withPerm(ADMIN) {
+        _changeDefaultExemptedVotersList(_voter, _exempt);
     }
 
     /**
      * Change the global exempted voters list
      * @param _voters Address of the voter
-     * @param _changes Whether it is exempted or not
+     * @param _exempts Whether it is exempted or not
      */
-    function changeDefaultExemptedVotersListMulti(address[] calldata _voters, bool[] calldata _changes) external withPerm(ADMIN) {
-        require(_voters.length == _changes.length, "Array length mismatch");
+    function changeDefaultExemptedVotersListMulti(address[] calldata _voters, bool[] calldata _exempts) external withPerm(ADMIN) {
+        require(_voters.length == _exempts.length, "Array length mismatch");
         for (uint256 i = 0; i < _voters.length; i++) {
-            _changeDefaultExemptedVotersList(_voters[i], _changes[i]);
+            _changeDefaultExemptedVotersList(_voters[i], _exempts[i]);
         }
     }
 
-    function _changeDefaultExemptedVotersList(address _voter, bool _change) internal {
+    function _changeDefaultExemptedVotersList(address _voter, bool _exempt) internal {
         require(_voter != address(0), "Invalid address");
-        require((defaultExemptIndex[_voter] == 0) == _change);
-        if (_change) {
+        require((defaultExemptIndex[_voter] == 0) == _exempt);
+        if (_exempt) {
             defaultExemptedVoters.push(_voter);
             defaultExemptIndex[_voter] = defaultExemptedVoters.length;
         } else {
@@ -44,7 +44,7 @@ contract VotingCheckpoint is VotingCheckpointStorage, ICheckpoint, IVoting, Modu
             delete defaultExemptIndex[_voter];
             defaultExemptedVoters.length --;
         }
-        emit ChangedDefaultExemptedVotersList(_voter, _change);
+        emit ChangedDefaultExemptedVotersList(_voter, _exempt);
     }
 
     /**
diff --git a/contracts/modules/STO/Capped/CappedSTO.sol b/contracts/modules/STO/Capped/CappedSTO.sol
index 6ab303b6f..5d954e0de 100644
--- a/contracts/modules/STO/Capped/CappedSTO.sol
+++ b/contracts/modules/STO/Capped/CappedSTO.sol
@@ -80,8 +80,7 @@ contract CappedSTO is CappedSTOStorage, STO, ReentrancyGuard {
      * @notice Function to set allowBeneficialInvestments (allow beneficiary to be different to funder)
      * @param _allowBeneficialInvestments Boolean to allow or disallow beneficial investments
      */
-    function changeAllowBeneficialInvestments(bool _allowBeneficialInvestments) public {
-        _onlySecurityTokenOwner();
+    function changeAllowBeneficialInvestments(bool _allowBeneficialInvestments) public withPerm(OPERATOR) {
         require(_allowBeneficialInvestments != allowBeneficialInvestments, "Does not change value");
         allowBeneficialInvestments = _allowBeneficialInvestments;
         emit SetAllowBeneficialInvestments(allowBeneficialInvestments);
@@ -134,7 +133,8 @@ contract CappedSTO is CappedSTOStorage, STO, ReentrancyGuard {
      * @notice Return the permissions flag that are associated with STO
      */
     function getPermissions() public view returns(bytes32[] memory) {
-        bytes32[] memory allPermissions = new bytes32[](0);
+        bytes32[] memory allPermissions = new bytes32[](1);
+        allPermissions[0] = OPERATOR;
         return allPermissions;
     }
 
diff --git a/contracts/modules/STO/USDTiered/USDTieredSTO.sol b/contracts/modules/STO/USDTiered/USDTieredSTO.sol
index cd89d05b2..23bd4c5d7 100644
--- a/contracts/modules/STO/USDTiered/USDTieredSTO.sol
+++ b/contracts/modules/STO/USDTiered/USDTieredSTO.sol
@@ -22,7 +22,6 @@ contract USDTieredSTO is USDTieredSTOStorage, STO {
 
     event SetAllowBeneficialInvestments(bool _allowed);
     event SetNonAccreditedLimit(address _investor, uint256 _limit);
-    event SetAccredited(address _investor, bool _accredited);
     event TokenPurchase(
         address indexed _purchaser,
         address indexed _beneficiary,
@@ -126,8 +125,7 @@ contract USDTieredSTO is USDTieredSTOStorage, STO {
      * @dev Modifies fund raise types
      * @param _fundRaiseTypes Array of fund raise types to allow
      */
-    function modifyFunding(FundRaiseType[] calldata _fundRaiseTypes) external {
-        _onlySecurityTokenOwner();
+    function modifyFunding(FundRaiseType[] calldata _fundRaiseTypes) external withPerm(OPERATOR) {
         _isSTOStarted();
         _setFundRaiseType(_fundRaiseTypes);
     }
@@ -137,8 +135,7 @@ contract USDTieredSTO is USDTieredSTOStorage, STO {
      * @param _nonAccreditedLimitUSD max non accredited invets limit
      * @param _minimumInvestmentUSD overall minimum investment limit
      */
-    function modifyLimits(uint256 _nonAccreditedLimitUSD, uint256 _minimumInvestmentUSD) external {
-        _onlySecurityTokenOwner();
+    function modifyLimits(uint256 _nonAccreditedLimitUSD, uint256 _minimumInvestmentUSD) external withPerm(OPERATOR) {
         _isSTOStarted();
         _modifyLimits(_nonAccreditedLimitUSD, _minimumInvestmentUSD);
     }
@@ -157,8 +154,8 @@ contract USDTieredSTO is USDTieredSTOStorage, STO {
         uint256[] calldata _tokensPerTierDiscountPoly
     )
         external
+        withPerm(OPERATOR)
     {
-        _onlySecurityTokenOwner();
         _isSTOStarted();
         _modifyTiers(_ratePerTier, _ratePerTierDiscountPoly, _tokensPerTierTotal, _tokensPerTierDiscountPoly);
     }
@@ -168,8 +165,7 @@ contract USDTieredSTO is USDTieredSTOStorage, STO {
      * @param _startTime start time of sto
      * @param _endTime end time of sto
      */
-    function modifyTimes(uint256 _startTime, uint256 _endTime) external {
-        _onlySecurityTokenOwner();
+    function modifyTimes(uint256 _startTime, uint256 _endTime) external withPerm(OPERATOR) {
         _isSTOStarted();
         _modifyTimes(_startTime, _endTime);
     }
@@ -275,8 +271,7 @@ contract USDTieredSTO is USDTieredSTOStorage, STO {
      * @notice Finalizes the STO and mint remaining tokens to treasury address
      * @notice Treasury wallet address must be whitelisted to successfully finalize
      */
-    function finalize() external {
-        _onlySecurityTokenOwner();
+    function finalize() external withPerm(ADMIN) {
         require(!isFinalized, "STO is finalized");
         isFinalized = true;
         uint256 tempReturned;
@@ -306,8 +301,7 @@ contract USDTieredSTO is USDTieredSTOStorage, STO {
      * @param _investors Array of investor addresses to modify
      * @param _nonAccreditedLimit Array of uints specifying non-accredited limits
      */
-    function changeNonAccreditedLimit(address[] calldata _investors, uint256[] calldata _nonAccreditedLimit) external {
-        _onlySecurityTokenOwner();
+    function changeNonAccreditedLimit(address[] calldata _investors, uint256[] calldata _nonAccreditedLimit) external withPerm(OPERATOR) {
         //nonAccreditedLimitUSDOverride
         require(_investors.length == _nonAccreditedLimit.length, "Length mismatch");
         for (uint256 i = 0; i < _investors.length; i++) {
@@ -337,8 +331,7 @@ contract USDTieredSTO is USDTieredSTOStorage, STO {
      * @notice Function to set allowBeneficialInvestments (allow beneficiary to be different to funder)
      * @param _allowBeneficialInvestments Boolean to allow or disallow beneficial investments
      */
-    function changeAllowBeneficialInvestments(bool _allowBeneficialInvestments) external {
-        _onlySecurityTokenOwner();
+    function changeAllowBeneficialInvestments(bool _allowBeneficialInvestments) external withPerm(OPERATOR) {
         require(_allowBeneficialInvestments != allowBeneficialInvestments);
         allowBeneficialInvestments = _allowBeneficialInvestments;
         emit SetAllowBeneficialInvestments(allowBeneficialInvestments);
@@ -727,6 +720,9 @@ contract USDTieredSTO is USDTieredSTOStorage, STO {
      * @notice Return the permissions flag that are associated with STO
      */
     function getPermissions() public view returns(bytes32[] memory allPermissions) {
+        bytes32[] memory allPermissions = new bytes32[](2);
+        allPermissions[0] = OPERATOR;
+        allPermissions[1] = ADMIN;
         return allPermissions;
     }
 
diff --git a/contracts/modules/STO/USDTiered/USDTieredSTOStorage.sol b/contracts/modules/STO/USDTiered/USDTieredSTOStorage.sol
index 6fbdea52d..7281861fa 100644
--- a/contracts/modules/STO/USDTiered/USDTieredSTOStorage.sol
+++ b/contracts/modules/STO/USDTiered/USDTieredSTOStorage.sol
@@ -6,7 +6,7 @@ pragma solidity 0.5.8;
 contract USDTieredSTOStorage {
 
     bytes32 internal constant INVESTORSKEY = 0xdf3a8dd24acdd05addfc6aeffef7574d2de3f844535ec91e8e0f3e45dba96731; //keccak256(abi.encodePacked("INVESTORS"))
-
+    
     /////////////
     // Storage //
     /////////////
diff --git a/contracts/modules/TransferManager/VRTM/VolumeRestrictionTM.sol b/contracts/modules/TransferManager/VRTM/VolumeRestrictionTM.sol
index b1dbe36d8..b66b1ae38 100644
--- a/contracts/modules/TransferManager/VRTM/VolumeRestrictionTM.sol
+++ b/contracts/modules/TransferManager/VRTM/VolumeRestrictionTM.sol
@@ -10,7 +10,7 @@ contract VolumeRestrictionTM is VolumeRestrictionTMStorage, TransferManager {
     using SafeMath for uint256;
 
     // Emit when the token holder is added/removed from the exemption list
-    event ChangedExemptWalletList(address indexed _wallet, bool _change);
+    event ChangedExemptWalletList(address indexed _wallet, bool _exempted);
     // Emit when the new individual restriction is added corresponds to new token holders
     event AddIndividualRestriction(
         address indexed _holder,
@@ -186,12 +186,12 @@ contract VolumeRestrictionTM is VolumeRestrictionTMStorage, TransferManager {
     /**
      * @notice Add/Remove wallet address from the exempt list
      * @param _wallet Ethereum wallet/contract address that need to be exempted
-     * @param _change Boolean value used to add (i.e true) or remove (i.e false) from the list
+     * @param _exempted Boolean value used to add (i.e true) or remove (i.e false) from the list
      */
-    function changeExemptWalletList(address _wallet, bool _change) public withPerm(ADMIN) {
+    function changeExemptWalletList(address _wallet, bool _exempted) public withPerm(ADMIN) {
         require(_wallet != address(0));
-        require((exemptions.exemptIndex[_wallet] == 0) == _change);
-        if (_change) {
+        require((exemptions.exemptIndex[_wallet] == 0) == _exempted);
+        if (_exempted) {
             exemptions.exemptAddresses.push(_wallet);
             exemptions.exemptIndex[_wallet] = exemptions.exemptAddresses.length;
         } else {
@@ -200,7 +200,7 @@ contract VolumeRestrictionTM is VolumeRestrictionTMStorage, TransferManager {
             delete exemptions.exemptIndex[_wallet];
             exemptions.exemptAddresses.length--;
         }
-        emit ChangedExemptWalletList(_wallet, _change);
+        emit ChangedExemptWalletList(_wallet, _exempted);
     }
 
     /**
diff --git a/contracts/tokens/SecurityToken.sol b/contracts/tokens/SecurityToken.sol
index c46302268..9bcfb8441 100644
--- a/contracts/tokens/SecurityToken.sol
+++ b/contracts/tokens/SecurityToken.sol
@@ -43,7 +43,8 @@ contract SecurityToken is ERC20, ReentrancyGuard, SecurityTokenStorage, IERC1594
         bytes32 _label,
         bool _archived
     );
-
+    // Emit when Module get upgraded from the securityToken
+    event ModuleUpgraded(uint8[] _types, address _module);
     // Emit when the token details get updated
     event UpdateTokenDetails(string _oldDetails, string _newDetails);
     // Emit when the token name get updated
diff --git a/test/b_capped_sto.js b/test/b_capped_sto.js
index e90e3d1a1..bad99d981 100644
--- a/test/b_capped_sto.js
+++ b/test/b_capped_sto.js
@@ -994,7 +994,7 @@ contract("CappedSTO", async (accounts) => {
 
             it("Should get the listed permissions", async () => {
                 let tx = await I_CappedSTO_Array_POLY[0].getPermissions.call();
-                assert.equal(tx.length, 0);
+                assert.equal(tx.length, 1);
             });
 
             it("Should get the metrics of the STO", async () => {
diff --git a/test/p_usd_tiered_sto.js b/test/p_usd_tiered_sto.js
index c4ca7cc50..ac27f4ba2 100644
--- a/test/p_usd_tiered_sto.js
+++ b/test/p_usd_tiered_sto.js
@@ -392,7 +392,7 @@ contract("USDTieredSTO", async (accounts) => {
                 _tokensPerTierTotal[stoId].length,
                 "Incorrect number of tiers"
             );
-            assert.equal((await I_USDTieredSTO_Array[stoId].getPermissions()).length, new BN(0), "Incorrect number of permissions");
+            assert.equal((await I_USDTieredSTO_Array[stoId].getPermissions()).length, new BN(2), "Incorrect number of permissions");
         });
 
         it("Should attach the paid STO factory -- failed because of no tokens", async () => {
@@ -581,7 +581,7 @@ contract("USDTieredSTO", async (accounts) => {
                 _tokensPerTierTotal[stoId].length,
                 "Incorrect number of tiers"
             );
-            assert.equal((await I_USDTieredSTO_Array[stoId].getPermissions()).length, new BN(0), "Incorrect number of permissions");
+            assert.equal((await I_USDTieredSTO_Array[stoId].getPermissions()).length, new BN(2), "Incorrect number of permissions");
         });
 
         it("Should successfully attach the third STO module to the security token", async () => {
diff --git a/test/q_usd_tiered_sto_sim.js b/test/q_usd_tiered_sto_sim.js
index 7364f813d..e51bf4ac6 100644
--- a/test/q_usd_tiered_sto_sim.js
+++ b/test/q_usd_tiered_sto_sim.js
@@ -362,7 +362,7 @@ contract("USDTieredSTO Sim", async (accounts) => {
                 _tokensPerTierTotal[stoId].length,
                 "Incorrect number of tiers"
             );
-            assert.equal((await I_USDTieredSTO_Array[stoId].getPermissions()).length, new BN(0), "Incorrect number of permissions");
+            assert.equal((await I_USDTieredSTO_Array[stoId].getPermissions()).length, new BN(2), "Incorrect number of permissions");
         });
 
         it("Should successfully prepare the STO", async () => {
diff --git a/test/zc_plcr_voting_checkpoint.js b/test/zc_plcr_voting_checkpoint.js
index f1fd4a040..09c04a138 100644
--- a/test/zc_plcr_voting_checkpoint.js
+++ b/test/zc_plcr_voting_checkpoint.js
@@ -363,7 +363,7 @@ contract("PLCRVotingCheckpoint", async (accounts) => {
                 let tx = await I_PLCRVotingCheckpoint.changeBallotExemptedVotersList(new BN(0), account_investor1, true, {from: token_owner});
                 assert.equal((tx.logs[0].args._ballotId).toString(), 0);
                 assert.equal(tx.logs[0].args._voter, account_investor1);
-                assert.equal(tx.logs[0].args._change, true);
+                assert.equal(tx.logs[0].args._exempt, true);
             });
 
             it("\t\t Should fail to add voter in ballot exemption list -- doing the same change again", async() => {
@@ -426,7 +426,7 @@ contract("PLCRVotingCheckpoint", async (accounts) => {
             it("\t\t Should add the voter in to the default exemption list", async() => {
                 let tx = await I_PLCRVotingCheckpoint.changeDefaultExemptedVotersList(account_investor3, true, {from: token_owner});
                 assert.equal(tx.logs[0].args._voter, account_investor3);
-                assert.equal(tx.logs[0].args._change, true);
+                assert.equal(tx.logs[0].args._exempt, true);
             });
 
             it("\t\t Should fail to add voter in default exemption list -- doing the same change again", async() => {
diff --git a/test/zd_weighted_vote_checkpoint.js b/test/zd_weighted_vote_checkpoint.js
index a0d67bdf2..5cdf4c423 100644
--- a/test/zd_weighted_vote_checkpoint.js
+++ b/test/zd_weighted_vote_checkpoint.js
@@ -308,7 +308,7 @@ contract("WeightedVoteCheckpoint", async (accounts) => {
                 let tx = await I_WeightedVoteCheckpoint.changeBallotExemptedVotersList(new BN(0), account_investor2, true, {from: token_owner});
                 assert.equal((tx.logs[0].args._ballotId).toString(), 0);
                 assert.equal(tx.logs[0].args._voter, account_investor2);
-                assert.equal(tx.logs[0].args._change, true);
+                assert.equal(tx.logs[0].args._exempt, true);
             });
 
             it("\t\t Should fail to add voter in ballot exemption list -- doing the same change again", async() => {
@@ -355,7 +355,7 @@ contract("WeightedVoteCheckpoint", async (accounts) => {
             it("\t\t Should add the voter in to the default exemption list", async() => {
                 let tx = await I_WeightedVoteCheckpoint.changeDefaultExemptedVotersList(account_investor1, true, {from: token_owner});
                 assert.equal(tx.logs[0].args._voter, account_investor1);
-                assert.equal(tx.logs[0].args._change, true);
+                assert.equal(tx.logs[0].args._exempt, true);
             });
 
             it("\t\t Should fail to add voter in default exemption list -- doing the same change again", async() => {