13. General

13.1.    This Agreement constitutes the entire agreement of the parties about its subject matter and supersedes any previous understanding or agreements on that subject
13.2.    If any part or a provision of this Agreement is judged invalid or unenforceable in a jurisdiction it is severed for that jurisdiction and the remainder of this Agreement
  will continue to operate.
13.3.    A provision or a right under this Agreement may not be waived except in writing signed by the party granting the waiver.
13.4.    A party may exercise a right, power or remedy under this Agreement at its discretion, and separately or concurrently with another right, power or remedy. A single or
  partial exercise of a right, power or remedy by a party under this Agreement does not prevent a further exercise of that or of any other right, power or remedy.
13.5.    This Agreement may not be varied except in accordance with clause 6.5 and otherwise by agreement in writing signed by the parties.
13.6.    Customer will not assign, transfer or otherwise deal with this Agreement or any of its rights or obligations under this Agreement, whether in whole or in part, without
  the prior written consent of Workbench International. Workbench International may sub-contract any of its obligations under this Agreement without obtaining
  Customer’s prior written consent.
13.7.    Notices and other communications under this Agreement are to be given in writing by email, personal delivery or by post and must be:
(a)        sent to the correct email or address designated in writing by each party for that purpose from time to time; and
(b)        marked for the attention of the designated person or office holder (if any).
13.8.    A notice or communication in relation to this Agreement will be deemed to be received:
(a)        in the case of a letter, on the third Business Day after posting;
(b)        in the case of email, on the Business Day on which the email is successfully delivered; and
(c)        in the case of personal delivery, when delivered.
13.9.    This Agreement will be governed by and construed in accordance with the laws of the country or state of the Workbench software provider.