a) where the cumulative amount of the subcontracts for the contractor exceeds:
- 20% of his estimated eligible costs, or
- EUR 100 000, whichever amount is the lowest.
b) where the subcontractor is established in a third country, unless the contractor concerned is established there.
If points a) and/or b) do not apply to your case, you may change the subcontractor and inform immediately the Commission.