CABEI establishes the modalities or methods that must be applied in the procurement processes, based on the budget amount. This thresholds are to be apply in all operations financed partially or totally with its resources.

Procurement Method Goods and services Works Consultancies
International Open Bidding ≥​ 350 ≥​ 1500  ≥​ 150
National Open Bidding ≥​ 100 y < 350  ≥​ 200 y < 1500  ≥​ 35 y < 150
Local Legislation > 50 y < 100 > 50 y < 200 N/A
Shopping / Qualification comparison ≤ 50 ≤ 50 < 35