(b) of its final decision to apply liquidated damages and the corresponding amount. (a) of the withdrawal of its intention to reduce payment; or (b) of its final decision to reduce payment and the corresponding amount. 27  The contractor must  notify  the contracting authority as soon as it is able to resume  performance of  the contract , unless the contracting authority has already terminated the contract.  If the contractor is affected by  force majeure , it may suspend the  performance of the contract . The  contractor must immediately  notify  the contracting authority of the suspension. The  notification  must  include a description of the  force majeure and state when the contractor expects to resume the  performance of the contract . Any reduction in price does not affect the contractor’s actua l or potential liability or the contracting  authority’s rights under Article II.18. If the contractor submits observations, the contracting authority, taking into account the relevant  observations, must  notify  the contractor: The contractor has 30 days following the date of receipt to submit observations. Failing that, the  decision becomes enforceable the day after the time limit for submitting observations has elapsed. The contracting authority must  formally notify  the contractor of its intention to reduce payment and  the corresponding calculated amount. A reduction in price may be imposed together with liquidated damages under the conditions of Article  II.15.  If the contractor fails to provide the service in accordance with the contract (‘unperformed obligations’)  or if it fails to provide the service in accordance with the expected quality levels specified in the tender  specifications (‘low quality delivery’), the contracting authority may reduce or recover payments  proportionally to the seriousness of the unperformed obligations or low quality delivery. This includes  in particular cases where the contracting authority cannot approve a  result , report or deliverable as  defined in Article I.5 after the contractor has submitted the required additional information, correction  or new version. Any claim for liquidated damages does not affect the contractor’s actual or  potential liability or the  contracting authority’s rights under Article II.18. II.16 REDUCTION IN PRICE  The parties expressly acknowledge and agree that any amount payable under this Article is not a  penalty and represents a reasonable estimate of fair compensation for the damage incurred due to  failure to provide the services within the applicable time limits set out in this contract.  II.15.3 Nature of liquidated damages  II.15.4 Claims and liability  II.16.1 Quality standards  II.16.2 Procedure  II.16.3 Claims and liability  II.17 SUSPENSION OF THE PERFORMANCE OF THE CONTRACT  II.17.1 Suspension by the contractor 