OBS_VALUE:  Article 8 provides three threshold values : - TRY300 billion for procurement of goods and services by the contracting authorities operating under the general or the annexed budget - TRY500 billion for procurement of goods and services by other contracting authorities within the scope of Law No 4734 - TRY11 trillion for the works contracts by any of the contacting authorities covered by Law No 4734.When the value of the acquisition is below the threshold, foreign bidders may be excluded from participating in the tendering process.