IV.5.2.2. The trial period shall begin on the day of the installation of the Software  by the contractor on the appropriate hardware  equipment, or if the contracting authority does not require installation of the Software by the contractor, fifteen (15) calendar days after signature of the Consignment note . 

IV.5.2.3. At the end of the trial period, acceptance of the Software  shall only result from the signature, by both Parties, of the Certificate of Conformity  as stated in Article I.1. of the General Conditions. 

IV.5.2.4. At any moment during the trial period, the contracting authority may terminate the testing licence upon notification by a Means of communication with immediate effect if the Software does not perform and conform to its description, its specifications or its Documentation . Additional acquisitions of Software  already tested by the contracting authority shall be accepted by signature of the Consignment note . 

## IV.5.3. Guarantee specifications for Software 

IV.5.3.1. The contractor shall guarantee all goods delivered in conformity with Article I.1. of the General Conditions. 

IV.5.3.2. The contractor warrants that: 

(1) the Software is in conformity with the Documentation supplied; 

(2) the Software is capable of performing the functions described in the aforementioned Documentation and conform to the specifications described in the framework contract or specific contract under consideration. 

IV.5.3.3. The contractor does not warrant that the Software  will enable the contracting authority to achieve its target aims, productivity levels or time savings. 

IV.5.3.4. Guarantee period 

During the two-year guarantee period stated in Article I.1. of the General Conditions, the contractor shall provide maintenance at its own and sole expense. 

## IV.5.4. Use 

IV.5.4.1. The contractor hereby grants, and the contracting authority accepts, a non- exclusive licence to use the Software , under the conditions set hereunder. 

IV.5.4.2. The contracting authority may acquire "floating licences" for use by external, service-providing companies working under contract on projects for the contracting authority. At the end of the project, the contracting authority shall reclaim these licences and may either add them to the existing licence scheme or reallocate them to another company. 

IV.5.4.3. The contracting authority undertakes not to reproduce the Software  in part or in whole, except for the purposes of back-ups and archives, and after taking all the necessary precautions. 

IV.5.4.4. The Parties may by framework contract agree that the licence be an exclusive licence for the contracting authority to use the Software . 

IV.5.4.5. For the purpose of this Article IV.5.4., the Software  shall be read as including its Documentation . 

