(b)
for additional works, services or supplies by the original contractor, irrespective of their value, that have become necessary and were not included in the initial procurement where a change of contractor: cannot be made for economic or technical reasons such as requirements of interchangeability or interoperability with existing equipment, software, services or installations procured under the initial procurement; and would cause significant inconvenience or substantial duplication of costs for the contracting entity;
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Source: EUR-Lex CELLAR · retrieved 2026-09-04 · Text as consolidated on 2026-01-01; changes after this date are not shown.