21.  BACK UP COPIES

21.1.  The Service Provider shall at all times from the Agreement Date and throughout the Contract Period ensure that it has arrangements in place for back-up copies of all Authority Data in non proprietary electronic form held by the Service Provider on any hardware to be stored and secured safely in a building (not being an Authority's Premises or Service Provider's Premises) which is approved by the Authority, such approval not to be unreasonably withheld ("the Back-Up Location").

21.2.  Without prejudice to the obligations set out clause 21.1, the Service Provider shall submit to the Contract Manager for approval its proposals for the back-up and storage in safe custody of the data, materials and documents and the Authority shall be entitled to object if the same is not in accordance with Good Industry Practice. The Service Provider shall comply, and shall procure that all relevant Sub-Contractors comply, with all procedures to which the Contract Manager has given its approval.  The Service Provider may vary its procedures for such back-up and storage subject to submitting its proposals for change to the Contract Manager, who shall be entitled to object on the basis set out above.

21.3.  As a minimum requirement back-up copies of all Authority Data in electronic form held by the Service Provider on any hardware shall be transferred to the Back-Up Location for the periods and in the number of copies proposed by the Service Provider and agreed by the Authority and shall be clearly marked with the date and the fact that the back-up copies are the Service Provider's responsibility but are the property of the Authority.