Contract number: [ complete ]  Service contract conditions of December 2018  I. SPECIAL CONDITIONS  ORDER OF PRIORITY OF PROVISIONS  I.1. SUBJECT MATTER  I.2. ENTRY INTO FORCE AND DURATION  I.3. PRICE  I.4. Price of the contract and maximum amount  I.4.1. Price revision index  I.4.2. Reimbursement of expenses  I.4.3. 6  If there is any conflict between different provisions in this contract, the following rules must  be applied:  The subject matter of the contract is “ Supporting the development of a roadmap for the  reduction of whole life carbon of buildings”.  The period of  performance of the contract may be extended only with the express  written agreement of the parties before the expiration of such period.  The price payable under this contract excluding renewals, reimbursement of expenses and  price revision is EUR … [ amount in figures and in words ].  Price revision is not applicable to this contract.  Reimbursement of expenses is not applicable to this contract.  (a) The provisions set out in the special conditions take precedence over those in the other  parts of the contract. (b) The provisions set out in the general conditions take precedence over those in the  other annexes. (c) The provisions set out in the tender specifications (Annex I) take precedence over  those in the tender (Annex II).  I.3.1 The contract enters into force on the date on which the last party signs it. I.3.2 The  performance of the contract  cannot start before its entry into force. I.3.3  The duration of the  performance of the contract must not exceed  15 months. Performance of the contract  starts from the date of entry into force of the contract.