Should Renault fail to achieve reliability with their engine they could use a 'fair and equitable' rule that will allow them to make changes.
Later this month, all the engine manufacturers will have to put forward their engine for the season and that is what they will have to race throughout the Championship.
There are, however, some concerns about Renault's power unit after all their teams ran in trouble during the recent Jerez test.
Should Renault fail to iron out the problems before the 28 February deadline, head of track operations Remi Taffin says they could ask for permission to correct the defaults.
"If we have any reliability issues it's more difficult after you have applied...
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