diff --git a/lib/unitmanagement/UnitOrganisationLink.inc b/lib/unitmanagement/UnitOrganisationLink.inc
new file mode 100644
index 0000000..f09bd64
--- /dev/null
+++ b/lib/unitmanagement/UnitOrganisationLink.inc
@@ -0,0 +1,216 @@
+<?php
+/**
+*
+* Class UnitOrganisationLink
+* Represents a unit, organisation link as per the database table units_organisations_link
+*
+* @author Rob Cherry, Jam Warehouse (Pty) Ltd, South Africa
+* @date 20 January 2003
+* @package lib.groups
+*/
+
+
+class UnitOrganisationLink {
+	
+	/** primary key of object */
+	var $iId;
+	/** primary key of unit to which unit is linked */
+	var $iUnitID;
+	/** primary key of group to which group is linked */
+	var $iOrgID; 
+	
+	
+	function UnitOrganisationLink($iNewUnitID,$iNewOrgID) {
+		//object not created in database yet
+		$this->iId = -1;
+		$this->iOrgID = $iNewOrgID;
+		$this->iUnitID = $iNewUnitID;
+	}
+	
+	/**
+	* Get the object's primary key
+	*
+	* @return int object's primary key
+	*
+	*/
+	function getID() {
+		return $this->iId;
+	}
+	
+	/**
+	* Get the primary key of the org to which the unit is linked
+	*
+	* @return int primary key of org to which unit is linked
+	*
+	*/
+	function getOrgID() {
+		return $this->iOrgID;
+	}
+	
+	/**
+	* Set the primary key of the org to which the unit is linked
+	*
+	* @param 	int		Primary key of group to which unit is ilinked
+	*
+	*/
+	function setOrgID($iNewValue) {
+		$this->iOrgID = $iNewValue;
+	}
+	
+	/**
+	* Get the prijmary key of the unit to which the org is linked
+	*
+	* @return int primary key of unit to which the org is linked
+	*
+	*/
+	function getUnitID() {
+		return $this->iUnitID;
+	}
+	
+	/**
+	* Set the primary key of the unit to which the org is linked
+	*
+	* @param 	int		Primary key of unit to which the org is linked
+	*
+	*/
+	function setUnitID($iNewValue) {
+		$this->iUnitID = $iNewValue;
+	}
+	
+	/**
+	* Create the current object in the database
+	*
+	* @return boolean on successful store, false otherwise and set $_SESSION["errorMessage"]
+	*
+	*/
+	function create() {
+		global $default, $lang_err_database, $lang_err_object_exists;
+		//if the object hasn't been created
+		if ($this->iId < 0) 
+		{
+			
+			$sql = $default->db;
+			$query = "SELECT unit_id and organisation_ID FROM ". $default->owl_units_organisations_link_table ." WHERE unit_id = '" . $this->iUnitID . "' and organisation_id = '". $this->iOrgID ."'";
+        		$sql->query($query);
+       			$rows = $sql->num_rows($sql);
+        
+      			if ($rows > 0) 
+       		 	{
+        	    		 // duplicate username
+           			 $_SESSION["errorMessage"] = "UnitOrganisationlink::The id " . $this->iUnitID . " is already exist!";
+           			 return false;
+	       		 }
+       			 else
+       			 {
+				$result = $sql->query("INSERT INTO " . $default->owl_units_organisations_link_table . " (unit_id,organisation_id) VALUES ($this->iUnitID,$this->iOrgID,)");
+				if ($result) 
+				{
+					$this->iId = $sql->insert_id();
+					return  true;
+				}
+				$_SESSION["errorMessage"] = $lang_err_database;
+				return false;
+			}
+		}
+		$_SESSION["errorMessage"] = $lang_err_object_exists . "id = " . $this->iId . " table = $default->owl_units_organisations_link_table";
+		return false;
+	}
+	
+	/**
+	* Update the values in the database table with the object's current values
+	*
+	* @return boolean true on successful update, false otherwise and set $_SESSION["errorMessage"]
+	*
+	*/
+	function update() {
+		global $default, $lang_err_database, $lang_err_object_key;
+		//only update if the object has been stored
+		if ($this->iId > 0) {
+			$sql = $default->db;
+			$result = $sql->query("UPDATE " . $default->owl_units_organisations_link_table . " SET organisation_id = $this->iOrgID, unit_id = $this->iUnitID WHERE id = $this->iId");
+			if ($result) {
+				return true;
+			}
+			$_SESSION["errorMessage"] = $lang_err_database;
+			return false;
+		}
+		$_SESSION["errorMessage"] = $lang_err_object_key;
+		return false;
+	}
+	
+	/**
+	* Delete the current object from the database
+	*
+	* @return boolean true on successful deletion, false otherwise and set $_SESSION["errorMessage"]
+	*
+	*/
+	function delete() {
+		global $default, $lang_err_database, $lang_err_object_key;
+		//only delete the object if it exists in the database
+		if ($this->iId >= 0) {
+			$sql = $default->db;
+			$result = $sql->query("DELETE FROM $default->owl_units_organisations_link_table WHERE id = $this->iId");
+			if ($result) {
+				return true;
+			}
+			$_SESSION["errorMessage"] = $lang_err_database;
+			return false;
+		}
+		$_SESSION["errorMessage"] = $lang_err_object_key;
+		return false;
+	}
+	
+	/**
+	* Static function.
+	* Given a groups_units_link primary key it will create a 
+	* UnitsOrganisationsLink object and populate it with the 
+	* corresponding database values
+	*
+	* @return UnitsOrganisationsLink populated UnitsOrganisationLink object on successful query, false otherwise and set $_SESSION["errorMessage"]
+	*/
+	function & get($iUnitOrganisationLinkID) {
+		global $default;
+		$sql = $default->db;
+		$result = $sql->query("SELECT * FROM $default->owl_units_organisations_link_table WHERE id = $iUnitOrganisationLinkID");
+		if ($result) {
+			if ($sql->next_record()) {
+				$oUnitOrganisationLink = & new UnitOrganisationLink($sql->f("unit_id"),$sql->f("organisation_id") );
+				$oUnitOrganisationLink->iId = $iUnitOrganisationLinkID;
+				return $oUnitOrganisationLink;
+			}
+			$_SESSION["errorMessage"] = $lang_err_object_not_exist . "id = " . $iUnitOrganisationLinkID . " table = $default->owl_units_organisations_link_table";
+			return false;
+		}
+		$_SESSION["errorMessage"] = $lang_err_database;
+		return false;
+	}
+
+/**
+	* Static function
+	* Get a list of web documents
+	*
+	* @param 	String		Where clause (not required)
+	*
+	* @return Array array of UnitOrganisationLink objects, false otherwise and set $_SESSION["errorMessage"]
+	*/
+	function getList($sWhereClause = null) {
+		global $default, $lang_err_database;
+		$aUnitOrganisationLink;
+		settype($aUnitOrganisationLink, "array");
+		$sql = $default->db;
+		$result = $sql->query("SELECT * FROM " . $default->owl_units_organisations_link_table  . (isset($sWhereClause) ? " " . $sWhereClause : ""));
+		if ($result) {			
+			$iCount = 0;
+			while ($sql->next_record()) {
+				$oUnitOrganisationLink = & UnitOrganisationLink::get($sql->f("id"));
+				$aUnitOrganisationLink[$iCount] = $oUnitOrganisationLink;
+				$iCount++;
+			}
+			return $aUnitOrganisationLink;
+		}
+		$_SESSION["errorMessage"] = $lang_err_database;
+		return false;
+	}
+	
+}
+?>