All notices and other communications given or made pursuant to this Note shall be in writing and shall be deemed effectively given: (a) upon personal delivery to the Party to be notified, (b) two (2) days after having been sent by registered or certified mail, return receipt requested, postage prepaid, or (c) upon receipt after deposit with a nationally recognized overnight courier, specifying next day delivery, with written verification of receipt. All communications shall be sent to the Holder at the address set forth above, or to the Obligor in accordance with Section 9.4 of the Purchase Agreement, or to such address as may be subsequently provided by a Party by written notice to the other Party given in accordance with this Paragraph ‎13 .