9.b.2  The contracting authority reserves the right to verify that such measures are adequate and  may require additional measures to be taken if necessary. The contractor shall ensure that  its staff, including its management, is not placed in a situation which could give rise to  conflict of interests. Without prejudice to its obligation under the contract, the contractor  shall replace, immediately and without compensation from the contracting authority, any  member of its staff exposed to such a situation.  9.b.3  The contractor shall refrain from any contact which would compromise its independence  or that of its personnel. 9.b.4  The contractor shall limit its role in connection with the project to the provision of the  supplies described in the contract. 9.b.5  The contractor and anyone working under its authority or control in the performance of  the contract or on any other activity may be excluded from access to other EU  budget/EDF funds available under the same project. However, if the contractor is able to  prove that his involvement in previous stage of the project does not constitute unfair  competition, he may participate, subject to prior approvail of the contracting authority. 10.1. All goods shall have their origin in any eligible source country as defined in the  instructions to tenderers and the special conditions. 10.2. The contractor must certify that the goods tendered comply with this requirement,  specifying their countries of origin. It may be required to provide more detailed  information in this respect.  10.3. The contractor shall document the origin at the time of provisional acceptance. Failure to  comply with this obligation may lead, after formal notice, to termination of the contract  and/or suspension of payment.  11.1. The contractor shall, together with the return of the countersigned contract, furnish to the  contracting authority with a guarantee for the full and proper execution of the contract.  The amount of the guarantee shall be as specified in the special conditions. It shall be in  the range of 5 and 10% of the total contract price, including any amounts stipulated in  addenda to the contract.  11.2. The performance guarantee shall be held against payment to the contracting authority for  any loss resulting from the contractor's failure to perform its contractual obligations under  the contract.  11.3. The performance guarantee shall be in the format provided for in the contract and may be  provided in the form of a bank guarantee, a banker's draft, a certified cheque, a bond  provided by an insurance and/or bonding company, an irrevocable letter of credit or a  cash deposit made with the contracting authority. If the performance guarantee is to be  provided in the form of a bank guarantee, a banker's draft, a certified cheque or a bond, it  shall be issued by a bank or bonding and/or insurance company approved by the  contracting authority. 11.4. The performance guarantee shall be denominated in the currency in which the contract is  payable. No payments shall be made in favour of the contractor prior to the provision of  August 2020 c4e_annexigc_en  Page 9 of 36  Article 11 -  Performance guarantee  Article 10 -  Origin 