A Complex hardware product or System shall be assembled, installed, and brought into service no later than fifteen (15) Normal working days after the date of notification by the contracting authority of its removal to the installation site unless another time limit is laid down in the specific contract. 

Upon successful installation, the contr actor shall notify the contr acting author ity by a Means of communication of the date on which the Complex hardware product or System has been brought into service, which date will be the Commissioning date for this particular Product or System . 

## IV.3.3.2. The acceptance period 

The acceptance period will run up to seventy-five (75) Normal working days from the Commissioning date . 

During this acceptance period, t h e c o n t r a c t i n g a u t h o r i t y shall notify any defaults in the Complex hardware product or System to the contractor by a Means of communication . As from the date of such notification, the running of the acceptance period will be suspended up to the date on which the contractor notifies by a Means of communication that it has remedied the notified default, this date will reinitiate the acceptance period for the rest of the seventy-five (75) Normal working days period, with a guaranteed minimum period of twenty-five (25) Normal working days after the last notification by the contractor that it has remedied a default. 

Upon the expiry of the acceptance period, acceptance of a Product will be recorded in a Certificate of Conformity that shall indicate inter alia the detailed nature of the accepted Complex hardware products and the reference number of this framework contract and of the specific contract concerned. 

If no Certificate of Conformity has been issued at the end of the acceptance period and if no notification of faulty operation is pending, the contracting authority is considered as having accepted the Complex hardware product. 

## IV.3.3.3. Termination 

If, due to faulty operation by the contractor, acceptance cannot be completed within a maximal time limit of hundred and fifty (150) calendar days from the Commissioning date , unless a different time limit has been specified by specific contract, the contracting authority shall be entitled to terminate the specific contract after giving the contractor a thirty (30) calendar days' notice by a Means of communication to meet its obligations. This provision is without prejudice to the contracting authority’s other rights under Article I.13 of the General Conditions. 

## IV.3.4. Guarantee specifications for Complex hardware products 

The contractor shall guarantee all goods delivered in conformity with Article I.1 of the General Conditions. During the two years guarantee period stated in Article I.1 of the General Conditions the contractor shall provide maintenance  at its own and sole expense. 

The guarantee period shall be automatically extended by the total duration of stoppages attributable to the contractor during that period, as recorded under the maintenance procedures. For this purpose only stoppages lasting eight (8) consecutive Normal working hours or more shall be counted. One day's extension therefore corresponds to a stoppage 

