If the contractor fails to provide the service in accordance with the FWC or a specific  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.6 after the contractor has submitted the required additional information, correction or  new version. A reduction in price may be imposed together with liquidated damages under the conditions  of Article II.15.  Contract number: ECHA/2020/666  II.16.1. Quality standards  II.16. REDUCTION IN PRICE  II.16.2. Procedure  The contracting authority must  formally notify the contractor of its intention to reduce  payment and the corresponding calculated amount. 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. If the contractor submits observations, the contracting authority, taking into account the  relevant observations, must  notify  the contractor: Any reduction in price does not affect the contractor’s actual or potential liability or the  contracting authority’s rights under Article II.18.  (a) of the withdrawal of its intention to reduce payment; or (b) of its final decision to reduce payment and the corresponding amount,. 35  The contractor must  notify the contracting authority as soon as it is able to resume  performance of the specific contract , unless the contracting authority has already  terminated the FWC or the specific 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 provision of services.  If the contractor is affected by  force majeure , it may suspend the provision of the services  under a specific contract.  II.17.1. Suspension by the contractor  II.17. SUSPENSION OF THE IMPLEMENTATION OF THE FWC  II.16.3. Claims and liability 