7.2. Acquisition Proposals; Change of Recommendation. 
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(d) No Change of Recommendation or Alternative Acquisition Agreement. 
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(ii) Notwithstanding anything to the contrary set forth in this Agreement, at any time prior to the time the Requisite Company Vote is obtained, in response to an Acquisition Proposal that did not result from a non de minimis breach of the Company’s obligations set forth in this Section 7.2, if the Company Board determines in good faith, after consultation with outside legal counsel and financial advisor, that (A) such Acquisition Proposal constitutes a Superior Proposal, and (B) the failure to effect a Change of Recommendation would be inconsistent with the directors’ fiduciary duties under applicable Law, then, notwithstanding anything in this Agreement to the contrary, (x) the Company Board may effect a Change of Recommendation and/or (y) terminate this Agreement and concurrently with such termination enter into an Alternative Acquisition Agreement with respect to such Superior Proposal; provided, however, that prior to taking such actions: (I) the Company must give Parent written notice of its intention to take such action at least four calendar days in advance (the “Takeover Notice Period”), which notice shall set forth and shall also include all information required by Section 7.2(c), mutatis mutandis (it being understood that each time any material revision or amendment to the terms of the Acquisition Proposal determined to be a Superior Proposal is made, the four calendar day period shall be extended for an additional two (2) Business Days after notification of such change); (II) during the Takeover Notice Period, to the extent requested by Parent, the Company shall, and shall cause its Representatives to, negotiate in good faith with Parent regarding any adjustments or modifications to the terms of this Agreement proposed by Parent; and (III) at the end of the Takeover Notice Period, the Company Board shall have, taking into account any revisions to this Agreement proposed by Parent in writing and any other information offered by Parent in response to such notice contemplated by clause (I) of this Section 7.2(d)(ii) prior to the end of the Takeover Notice Period, thereafter determined in good faith, after consultation with outside legal counsel and financial advisor, that such Acquisition Proposal continues to be a Superior Proposal and failure to make a Change of Recommendation would be inconsistent with the directors’ fiduciary duties under applicable Law. (iii) Notwithstanding anything in this Agreement to the contrary, the Company Board may, at any time prior to the time the Requisite Company Vote is obtained, effect a Change of Recommendation in response to an Intervening Event if: (A) the Company provides Parent three (3) Business Days’ prior written notice of its intention to take such action, which notice shall include all material information with respect to any such Intervening Event and a description of the Company Board’s rationale for such action; (B) during such three (3)-Business Day period described in clause (A), the Company shall negotiate in good faith with Parent regarding any adjustments or modifications to the terms of this Agreement proposed by Parent; and (C) at the end of the three (3)-Business Day period described in clause (A), the Company Board determines in good faith after consultation with its financial advisors and outside legal counsel (after taking into account any adjustments or modifications to the terms of this Agreement proposed by Parent during the period described in clause (A)) that the failure to make a Change of Recommendation in response to such Intervening Event would be inconsistent with the directors’ fiduciary duties under applicable Law. (Page 67)

Question: Initial matching rights period (COR)-Answer
Subquestion: <NONE>
Answer: 4 calendar days