protected function _add($Context, $realmID, $resource, $Object)
	{
		$IPP = $Context->IPP();

		switch ($IPP->version())
		{
			case QuickBooks_IPP_IDS::VERSION_2:
				return $this->_add_v2($Context, $realmID, $resource, $Object);
			case QuickBooks_IPP_IDS::VERSION_3:
				return $this->_add_v3($Context, $realmID, $resource, $Object);
		}
	}