diff --git a/XBRL-US-TaxonomyPackage.php b/XBRL-US-TaxonomyPackage.php
index <HASH>..<HASH> 100644
--- a/XBRL-US-TaxonomyPackage.php
+++ b/XBRL-US-TaxonomyPackage.php
@@ -65,6 +65,31 @@ EOT;
 	const namespacePrefix = "http://fasb.org/us-gaap/";

 

 	/**

+	 * Provides a URL for the entity publishing the taxonomy. This element SHOULD be used to provide

+	 * the primary website of the publishing entity. The URL used SHOULD be the same as that used in

+	 * other Taxonomy Packages published by the same entity.

+	 * @var string

+	 */

+	public $publisherURL;

+

+	/**

+	 * Provides a date on which the taxonomy was published.

+	 * @var string

+	 */

+	public $publicationDate = "";

+

+	/**

+	 * Default constructor

+	 * @param ZipArchive $zipArchive

+	 */

+	public function __construct( ZipArchive $zipArchive  )

+	{

+		parent::__construct( $zipArchive );

+

+		$this->publisherURL = XBRL_US_TaxonomyPackage::filePrefix;

+	}

+

+	/**

 	 * Returns true if the zip file represents an SEC package

 	 * {@inheritDoc}

 	 * @see XBRL_IPackage::isPackage()

@@ -84,6 +109,8 @@ EOT;
 				return false;

 			}

 

+			$this->publicationDate = $matches['date'];

+

 			$found = false;

 			$this->traverseContents( function( $path, $name, $type ) use( &$found )

 			{
Updated to add publishURL and publicationDate