P-32, r. 1 - Regulation respecting Contracts of the Public Protector

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68. A contract may be amended if the amendment is accessory and does not change the nature of the contract.
However, if the contract involves an expenditure above the public tender threshold, an amendment that entails an additional expenditure must moreover be authorized by the Public Protector in person. The Public Protector in person may delegate, in writing and to the extent specified, the power to authorize such an amendment. Additional expenditures authorized under a given delegation may not total more than 10% of the initial amount of the contract.
Despite the second paragraph, an amendment does not require authorization if it is due to a variation in the amount to which a predetermined percentage is to be applied or, subject to section 8, to a variation in a quantity for which a unit price has been agreed.
Decision 1462-2, s. 68.