lexiara

(a)

additional services not covered by the principal contract but which, as a result of unforeseen circumstances, have become necessary for the performance of the contract, provided that the additional service cannot be technically and economically separated from the principal contract without serious inconvenience for the contracting authority and the aggregate amount of additional services does not exceed 50 % of the value of the principal contract;

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Source: EUR-Lex (Cellar) · retrieved 2026-11-04 · Text as adopted (Official Journal); later amendments are not incorporated in this text.