diff --git a/SendsafelyAPI/ClientAPI.cs b/SendsafelyAPI/ClientAPI.cs
index 82db60a..bb634c3 100644
--- a/SendsafelyAPI/ClientAPI.cs
+++ b/SendsafelyAPI/ClientAPI.cs
@@ -332,8 +332,7 @@ public void DeletePackage(String packageId)
         }
 
         /// <summary>
-        /// Deletes a temporary package. This action must be called before the package is finalized. Before this function can be called, the package must have been created with 
-        /// <seealso cref="CreatePackage()">CreatePackage()</seealso>.
+        /// Deletes a temporary package, which is a package that has not yet been finalized. 
         /// </summary>
         /// <param name="packageId"> The unique package id of the package to be deleted.</param>
         /// <exception cref="APINotInitializedException">Thrown when the API has not been initialized.</exception>
@@ -853,6 +852,15 @@ public List<PackageInformation> GetArchivedPackages()
         /// <returns>
         /// List<ContactGroup> object of Contact Groups and email addresses.
         /// </returns>
+        public List<ContactGroup> GetContactGroups()
+        {
+            EnforceInitialized();
+
+            PackageUtility pu = new PackageUtility(connection);
+            return pu.GetContactGroups(false);
+        }
+
+        [Obsolete("getContactGroups is deprecated, please use GetContactGroups instead", false)]
         public List<ContactGroup> getContactGroups()
         {
             EnforceInitialized();
@@ -897,6 +905,15 @@ public List<String> GetDropzoneRecipients()
         /// <returns>
         /// List<ContactGroup> object of Contact Groups and email addresses.
         /// </returns>
+        public List<ContactGroup> GetEnterpriseContactGroups()
+        {
+            EnforceInitialized();
+
+            PackageUtility pu = new PackageUtility(connection);
+            return pu.GetContactGroups(true);
+        }
+
+        [Obsolete("getEnterpriseContactGroups is deprecated, please use GetEnterpriseContactGroups instead", false)]
         public List<ContactGroup> getEnterpriseContactGroups()
         {
             EnforceInitialized();
@@ -940,9 +957,9 @@ public FileInformation GetFileInformation(String packageId, String directoryId,
         }
 
         /// <summary>
-        /// Downloads and decrypts a keycode from the Server given a packageId and a private key. 
+        /// Downloads and decrypts a keycode from the server for a given packageId and RSA Key pair. 
         /// </summary>
-        /// <param name="privateKey">The private key associated with the package for the keycode.</param>
+        /// <param name="privateKey">The private key associated with the RSA Key pair used to encrypt the package keycode.</param>
         /// <param name="packageId">The package id for the keycode.</param>
         /// <exception cref="APINotInitializedException">Thrown when the API has not been initialized.</exception>
         /// <exception cref="GettingKeycodeFailedException">Will be thrown if the server returns an error message while downloading the keycode.</exception>
@@ -1035,6 +1052,20 @@ public PackageInformation GetPackageInformation(String packageId)
         /// <returns>
         /// A PackageInformation object containing information about the package.
         /// </returns>
+        public PackageInformation GetPackageInformationFromLink(Uri link)
+        {
+            EnforceInitialized();
+
+            if (link == null)
+            {
+                throw new InvalidPackageException("The supplied link is null");
+            }
+
+            PackageUtility pu = new PackageUtility(connection);
+            return pu.GetPackageInformationFromLink(link);
+        }
+
+        [Obsolete("getPackageInformationFromLink is deprecated, please use GetPackageInformationFromLink instead", false)]
         public PackageInformation getPackageInformationFromLink(Uri link)
         {
             EnforceInitialized();
@@ -1094,7 +1125,7 @@ public String GetPackageLink(String packageId, String keyCode)
         }
 
         /// <summary>
-        /// Retrieves a list of all active received packages for the given API User.
+        /// Retrieves a list of all active packages received for the given API User.
         /// </summary>
         /// <exception cref="APINotInitializedException">Thrown when the API has not been initialized.</exception>
         /// <exception cref="InvalidCredentialsException">Thrown when the API credentials are incorrect.</exception>
@@ -1130,11 +1161,11 @@ public Recipient GetRecipient(String packageId, String recipientId)
         }
 
         /// <summary>
-        /// Retrieves all packages belonging to the given Recipient.
+        /// Retrieves a list of packages where the passed in email address is a package recipient.
         /// </summary>
-        /// <param name="recipientEmail"> The recipient Email for which the packages information should be fetched.</param>
+        /// <param name="recipientEmail"> The email address of the recipient.</param>
         /// <returns>
-        /// A PackageInfo object containing information about the package.
+        /// A PackageInfo object containing information about each package retrieved, including confirmed downloads for the recipient.
         /// </returns>
         public List<RecipientHistory> GetRecipientHistory(String recipientEmail)
         {
diff --git a/SendsafelyAPI/CountryCodes.cs b/SendsafelyAPI/CountryCodes.cs
index fa4819a..a83836f 100644
--- a/SendsafelyAPI/CountryCodes.cs
+++ b/SendsafelyAPI/CountryCodes.cs
@@ -40,7 +40,8 @@ public enum CountryCode
             ES = 34,
             SE = 46,
             CH = 41,
-            AE = 971
+            AE = 971,
+            OT
         };
 
         /// <summary>
@@ -76,7 +77,8 @@ public enum CountryCode
             { CountryCode.ES, "Spain" },
             { CountryCode.SE, "Sweden" },
             { CountryCode.CH, "Switzerland" },
-            { CountryCode.AE, "United Arab Emirates" }
+            { CountryCode.AE, "United Arab Emirates" },
+            { CountryCode.OT, "Other" }
         };
     }
 }
diff --git a/SendsafelyAPI/Exceptions/TwoFAEnforcedException.cs b/SendsafelyAPI/Exceptions/TwoFAEnforcedException.cs
new file mode 100644
index 0000000..c15f7f5
--- /dev/null
+++ b/SendsafelyAPI/Exceptions/TwoFAEnforcedException.cs
@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace SendSafely.Exceptions
+{
+    /// <summary>
+    /// Thrown when an organization enforce two fa flag is true
+    /// </summary>
+    [Serializable]
+    public class TwoFAEnforcedException : BaseException
+    {
+        public TwoFAEnforcedException(String message)
+            : base(message)
+        {
+            ;
+        }
+    }
+
+}
diff --git a/SendsafelyAPI/SendsafelyAPI.csproj b/SendsafelyAPI/SendsafelyAPI.csproj
index 725ec59..21f84c1 100644
--- a/SendsafelyAPI/SendsafelyAPI.csproj
+++ b/SendsafelyAPI/SendsafelyAPI.csproj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -54,6 +54,7 @@
     <Compile Include="Confirmation.cs" />
     <Compile Include="CountryCodes.cs" />
     <Compile Include="Directory.cs" />
+    <Compile Include="Exceptions\TwoFAEnforcedException.cs" />
     <Compile Include="File.cs" />
     <Compile Include="ISendSafelyProgress.cs" />
     <Compile Include="EnterpriseInformation.cs" />