Substantiation Disapproval. Should Staatsolie disapprove any item(s) in cost and revenue statements submitted by Contractor, it shall notify Contractor within the period allotted for approval or disapproval in Sub-article 26.5, with supporting reason(s), such as but not limited to:
(i) the costs and/or revenues recorded in the statements are not correct; and/or
(ii) the costs of goods or services in the statements are not in line with international market prices for goods and services of similar quality supplied on similar terms prevailing at the time such goods or services were supplied; and/or
(iii) the condition of the materials furnished by Contractor does not tally with their prices; and/or
(iv) the costs incurred were not reasonably required for Petroleum Operations. Any disapproval by Staatsolie shall be itemised and shall not apply to an entire cost statement, If Staatsolie and Contractor have not resolved the disputed items within sixty (60) Days of Contractor’s receipt of Staatsolie’s notification of disapproval, either Party may refer the matter to Dispute Resolution pursuant to Article 41.