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</LabelSeparator><Level>2</Level><ElementName>us-gaap_MinorityInterestDisclosureTextBlock</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><PreferredLabelRole>terseLabel</PreferredLabelRole><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="Duration_1_1_2013_To_6_30_2013" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>&lt;div&gt; &lt;div style="margin-left:0pt;margin-right:0pt;"&gt;
		&lt;p style="margin:0pt -14.4pt 0pt 0pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;font-weight:bold;font-size:10pt;"&gt;16.&amp;nbsp;&amp;nbsp; &lt;/font&gt;&lt;font style="display: inline;font-weight:bold;font-size:10pt;text-decoration:underline;"&gt;NONCONTROLLING INTERESTS IN SUBSIDIARIES&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt -14.4pt 0pt 0pt;text-align:justify;text-justify:inter-ideograph;line-height:normal;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;font-size:10pt;"&gt;&amp;nbsp;&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;font-size:10pt;"&gt;Noncontrolling interests in subsidiaries in the accompanying consolidated financial statements relate to (i) common units in the Operating Partnership, held by parties other than the Company, and (ii)&amp;nbsp;interests in consolidated joint ventures for the portion of such ventures not owned by the Company.&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt -14.4pt 0pt 0pt;text-align:justify;text-justify:inter-ideograph;line-height:normal;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;font-weight:bold;text-transform:uppercase;font-size:10pt;"&gt;&amp;nbsp;&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt -14.4pt 0pt 0pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;font-weight:bold;font-size:10pt;"&gt;OPERATING PARTNERSHIP&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt;border-bottom:1pt none #D9D9D9 ;font-weight:bold;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;text-transform:uppercase;font-size:10pt;"&gt;&amp;nbsp;&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt;border-top:1pt none #D9D9D9 ;font-weight:bold;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;font-family:Times New Roman Bold;font-size:10pt;"&gt;Common Units&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;font-size:10pt;"&gt;Certain individuals and entities own common units in the Operating Partnership.&amp;nbsp;&amp;nbsp;A common unit and a share of Common Stock of the Company have substantially the same economic characteristics in as much as they effectively share equally in the net income or loss of the Operating Partnership.&amp;nbsp;&amp;nbsp;Common unitholders have the right to redeem their common units, subject to certain restrictions.&amp;nbsp;&amp;nbsp;The redemption is required to be satisfied in shares of Common Stock, cash, or a combination thereof, calculated as follows:&amp;nbsp; &lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;one&lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt; share of the Company&amp;#x2019;s Common Stock, or cash equal to the fair market value of a share of the Company&amp;#x2019;s Common Stock at the time of redemption, for each common unit.&amp;nbsp;&amp;nbsp;The Company, in its sole discretion, determines the form of redemption of common units (i.e., whether a common unitholder receives Common Stock, cash, or any combination thereof).&amp;nbsp;&amp;nbsp;If the Company elects to satisfy the redemption with shares of Common Stock as opposed to cash, it is obligated to issue shares of its Common Stock to the redeeming unitholder.&amp;nbsp;&amp;nbsp;Regardless of the rights described above, the common unitholders may not put their units for cash to the Company or the Operating Partnership under any circumstances.&amp;nbsp;&amp;nbsp;When a unitholder redeems a common unit, noncontrolling interest in the Operating Partnership is reduced and Mack-Cali Realty Corporation Stockholders&amp;#x2019; equity is increased. &lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt;text-align:justify;text-justify:inter-ideograph;line-height:normal;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;font-weight:bold;font-size:10pt;"&gt;&amp;nbsp;&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;font-weight:bold;font-size:10pt;"&gt;Unit Transactions&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;"&gt;The following table sets forth the changes in noncontrolling interests in subsidiaries which relate to the common units in the Operating Partnership for the &lt;/font&gt;&lt;font style="display: inline;"&gt;six&lt;/font&gt;&lt;font style="display: inline;"&gt; months ended &lt;/font&gt;&lt;font style="display: inline;"&gt;June 30, 2013&lt;/font&gt;&lt;font style="display: inline;"&gt;.&lt;/font&gt;
		&lt;/p&gt;
		&lt;div style="width:100%"&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse;width: 100.00%;margin-left:0pt;"&gt;
			&lt;tr&gt;
				&lt;td valign="top" style="width:80.10%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:7pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;font-family:Times New Roman;font-size: 1pt"&gt;
						&lt;font style="display: inline;font-size:1pt;"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="top" style="width:19.90%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:7pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
			&lt;/tr&gt;
			&lt;tr&gt;
				&lt;td valign="top" style="width:80.10%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:7pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="top" style="width:19.90%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:7pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:right;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;Common&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
			&lt;/tr&gt;
			&lt;tr&gt;
				&lt;td valign="top" style="width:80.10%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:7pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="top" style="width:19.90%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:7pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:right;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;Units&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
			&lt;/tr&gt;
			&lt;tr&gt;
				&lt;td valign="top" style="width:80.10%;border-top:1pt solid #000000 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:7pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;Balance at January 1, 2013&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="top" style="width:19.90%;border-top:1pt solid #000000 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:7pt;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"&gt;&lt;div style="float:left"&gt;&lt;/div&gt;12,141,836&amp;nbsp;
				&lt;/td&gt;
			&lt;/tr&gt;
			&lt;tr&gt;
				&lt;td valign="top" style="width:80.10%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:7pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt 6pt;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;Redemption of common units for shares of common stock&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="top" style="width:19.90%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:7pt;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"&gt;&lt;div style="float:left"&gt;&lt;/div&gt;(138,595)
				&lt;/td&gt;
			&lt;/tr&gt;
			&lt;tr&gt;
				&lt;td valign="top" style="width:80.10%;border-top:1pt solid #000000 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:7pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="top" style="width:19.90%;border-top:1pt solid #000000 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:7pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
			&lt;/tr&gt;
			&lt;tr&gt;
				&lt;td valign="top" style="width:80.10%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1.5pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:7pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;Balance at June 30, 2013&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="top" style="width:19.90%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1.5pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:7pt;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"&gt;&lt;div style="float:left"&gt;&lt;/div&gt;12,003,241&amp;nbsp;
				&lt;/td&gt;
			&lt;/tr&gt;
		&lt;/table&gt;&lt;/div&gt;
		&lt;p style="margin:0pt;text-align:justify;text-justify:inter-ideograph;line-height:normal;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;font-size:10pt;"&gt;&amp;nbsp;&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;font-size:10pt;"&gt;Pursuant to &lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;ASC 810, Consolidation, on the accounting and reporting for noncontrolling interests and changes in ownership interests of a subsidiary&lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;, changes in a parent&amp;#x2019;s ownership interest (and transactions with noncontrolling interest unitholders in the subsidiary) while the parent retains its controlling interest in its subsidiary should be accounted for as equity transactions.&amp;nbsp;&amp;nbsp;The carrying amount of the noncontrolling interest shall be adjusted to reflect the change in its ownership interest in the subsidiary, with the offset to equity attributable to the parent.&amp;nbsp;&amp;nbsp;Accordingly, as a result of equity transactions which caused changes in ownership percentages between Mack-Cali Realty Corporation stockholders&amp;#x2019; equity and noncontrolling interests in the Operating Partnership that occurred during the &lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;six&lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt; months ended &lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;June 30, 2013&lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;, the Company has decreased noncontrolling interests in the Operating Partnership and increased additional paid-in capital in Mack-Cali Realty Corporation stockholders&amp;#x2019; equity by approximately $&lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;0.6&lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;&amp;nbsp;&lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;million &lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;as of &lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;June 30, 2013&lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;.&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt;text-align:justify;text-justify:inter-ideograph;line-height:normal;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;font-size:10pt;"&gt;&amp;nbsp;&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;font-weight:bold;text-transform:uppercase;font-size:10pt;"&gt;Noncontrolling Interest Ownership&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;"&gt;As of &lt;/font&gt;&lt;font style="display: inline;"&gt;June 30, 2013&lt;/font&gt;&lt;font style="display: inline;"&gt; and &lt;/font&gt;&lt;font style="display: inline;"&gt;December 31, 2012&lt;/font&gt;&lt;font style="display: inline;"&gt;,&lt;/font&gt;&lt;font style="display: inline;"&gt; the noncontrolling interest common unitholders owned &lt;/font&gt;&lt;font style="display: inline;"&gt;12.0&lt;/font&gt;&lt;font style="display: inline;"&gt; percent and &lt;/font&gt;&lt;font style="display: inline;"&gt;12.2&lt;/font&gt;&lt;font style="display: inline;"&gt;&amp;nbsp;percent of the Operating Partnership, respectively.&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt -14.4pt 0pt 0pt;text-align:justify;text-justify:inter-ideograph;line-height:normal;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;font-size:10pt;"&gt;&amp;nbsp;&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt -14.4pt 0pt 0pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;font-weight:bold;font-size:10pt;"&gt;CONSOLIDATED JOINT VENTURES&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt;border-bottom:1pt none #D9D9D9 ;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;"&gt;The Company consolidates certain joint ventures in which it has ownership interests.&amp;nbsp;&amp;nbsp;Various entities and/or individuals hold noncontrolling interests in these ventures.&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt;border-top:1pt none #D9D9D9 ;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;"&gt;&amp;nbsp;&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt -18pt 0pt 0pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;font-weight:bold;font-size:10pt;"&gt;PARTICIPATION RIGHTS&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;font-size:10pt;"&gt;The Company&amp;#x2019;s interests in certain real estate projects (&lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;three&lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;&amp;nbsp;&lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;properties &lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;and &lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;a&lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt; future development&lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;) &amp;nbsp;&lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;each provide for the initial distributions of net cash flow solely to the Company, and thereafter, other parties, have participation rights (&amp;#x201C;Participation Rights&amp;#x201D;) in &lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;50&lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt; percent of the excess net cash flow remaining after the distribution to the Company of the aggregate amount equal to the sum of: (a) the Company&amp;#x2019;s capital contributions, plus (b) an internal rate of return (&amp;#x201C;IRR&amp;#x201D;) of &lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;10&lt;/font&gt;&lt;font style="display: inline;font-size:10pt;"&gt;&amp;nbsp;percent per annum.&lt;/font&gt;
		&lt;/p&gt;
		&lt;p&gt;&lt;font size="1"&gt; &lt;/font&gt;&lt;/p&gt;
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 -Name Accounting Standards Codification

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 -Name Accounting Standards Codification

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

 -Publisher AICPA

 -Name Accounting Research Bulletin (ARB)

 -Number 51

 -Paragraph 38

 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.  This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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