Record Keeping by Licensee. Licensee and its Affiliates shall keep complete and accurate records in sufficient detail to enable the royalties payable hereunder to be determined. Upon ​ days prior written notice from Merck, Licensee shall permit an independent certified public accounting firm of nationally recognized standing selected by Merck and reasonably acceptable to Licensee, at Merck’s expense, to have access during normal business hours to examine the pertinent books and records of Licensee, its Affiliates and/or sublicensees as may be reasonably necessary to verify the accuracy of the royalty reports hereunder. ​. Licensee may designate competitively sensitive information that such auditor may not disclose to Merck, provided, however, that such designation shall not encompass the auditor’s conclusions. The accounting firm shall disclose to Merck only whether the royalty reports are correct or incorrect and the specific details concerning any discrepancies. No other information shall be provided to Merck. All such accounting firms shall sign a confidentiality agreement (in form and substance reasonably acceptable to Licensee) as to any of Licensee’s or its Affiliate‘s confidential information that such accounting firms are provided, or to which they have access, while conducting any audit pursuant to this Section 7.05(a).