Any notice or communication under this Agreement must be in writing and given by (i) deposit in the United States mail, addressed to the party to be notified, postage prepaid and registered or certified with return receipt requested, (ii) delivery in person or by courier service providing evidence of delivery or (iii) transmission by hand delivery, telecopy, telegram, facsimile or email. Each notice or communication that is mailed, delivered or transmitted in the manner described above shall be deemed sufficiently given, served, sent, and received, in the case of mailed notices, on the third (3rd) business day following the date on which it is mailed, in the case of notices delivered by courier service, hand delivery, telecopy or telegram, at such time as it is delivered to the addressee (with the delivery receipt or the affidavit of messenger) or at such time as delivery is refused by the addressee upon presentation, and in the case of notices delivered by facsimile or email, at such time as it is successfully transmitted to the addressee. Any notice or communication under this Agreement must be addressed, if to the Company, to: 452 Fifth Avenue, 14th Floor, New York, NY 10018, or by email at: SSchnitzer@tortoiseadvisors.com, if to the Sponsor or Tortoise Borrower, to: 11550 Ash Street, Suite 300, Leawood, KS 66211, or by email at: JKruske@tortoiseadvisors.com, and, if to any Holder, to the address of such Holder as it appears in the applicable register for the Registrable Securities or such other address as may be designated in writing by such Holder (including on the signature pages hereto). Any party may change its address for notice at any time and from time to time by written notice to the other parties hereto, and such change of address shall become effective thirty (30) days after delivery of such notice as provided in this Section 5.1 .