quantities, to omit, cancel or eliminate Contract items, to alter details of installation, and to <br /> make other changes and alterations as necessary or desirable, in City's judgment, to <br /> satisfactorily complete the Work. <br /> 6.3.2 Seller shall perform such changed, additional, increased, decreased, varied or <br /> altered work as a part of the Work to be done under the Contract upon written notice to that <br /> effect from City, and performance thereof shall not invalidate the Contract. <br /> 6.3.3 Compensation for such changed, additional, increased, decreased, varied, or <br /> altered work shall be at the same unit prices as are provided under the Contract for the <br /> accepted quantities of work done. If the work involved is measured on an "all required" basis <br /> and bid on a corresponding basis, the adjustment of the lump sum for the increase or decreases <br /> shall be as set forth in the applicable section of the standard specifications, and if not there <br /> given it will be based on theoretical unit price determined by dividing Seller's lump sum bid <br /> price by the estimated quantity of the item as listed in the special provisions. <br /> 6.3.4 If the character of the Work or the unit costs thereof are materially changed as <br /> a result of a change order, compensation for such work will be made on such basis as may <br /> have been agreed to in advance of the performance of Work, or in case no such basis has been <br /> previously agreed upon, a fair and equitable allowance shall be made with respect to the <br /> compensation due Seller. <br /> 6.3.5 Except as may otherwise be provided in this Contract, no payment for extras will <br /> be made unless such extras and the price therefor have been authorized in writing by City. <br /> 6.3.6 Changes shall include and the Work Schedule shall be adjusted to reflect (1) <br /> additions to, modifications of or deletions from the scope of the Work or the quantities of <br /> components required therefor; (2) City's request for or approval of performance of services in <br /> excess of Seller's standard work day or work week; (3) a modification of applicable law by <br /> which Seller is required to pay increased or additional taxes, government - regulated <br /> transportation costs, or insurance not required as of the effective date of this Contract; (4) <br /> delay or suspension of, or interference with, the Work by City; and (5) if proper performance <br /> of the Work depends upon design criteria or other information supplied by any person or entity <br /> other than the Seller or its agents or subcontractors, modification to such criteria or <br /> information made during the performance of the services by such person or entity. <br /> 7 Source Code Protection. <br /> 7.1 Delivery of Codes. Upon the occurrence of any of the following events, and provided <br /> that City has continued with a Maintenance and Support Agreement with Seller for this contract and <br /> City is not then in default under this contract or the then current Maintenance and Support Agreement, <br /> Seller shall provide to City, at no additional cost, within (10) days after receipt of City's written <br /> request therefor, one (1) complete copy of the programming code or codes, if any, used in the <br /> preparation and operation of the System, whether designed or written by Seller, -any subcontractor, <br /> or any other supplier under this Contract, updated to the date of delivery ( "Source Code "): <br /> 7.1.1 Seller ceases to do business for any reason and seller has not assigned or <br /> transferred the source code to a third party for continuance of the Maintenance and Support <br /> Agreement. <br /> Purchase Contract - 5 <br />