Preference is granted to tender submissions from national bidders, defined as companies incorporated under Burundian law or domiciled in member states of regional economic organizations to which Burundi belongs, and owned and controlled in its majority by Burundi nationals and nationals from such states. A foreign bidder may also receive a maximum of 5% price preference if they subcontract at least 30% of the contract's total value to a national company for contracts with decentralized local authorities or their public establishment.
"CHAPTER X: Procedures and evaluation criteria for offers [...]
Section 2: Preferences [...]
Article 195 : Beneficiaries
In order to encourage the participation of national companies in the awarding of contracts, preference shall be given to the offer contained in the tender documents submitted by a national bidder.
For the purposes of the present document, the term "national bidder" refers to any company incorporated under Burundian law, Burundian nationals and resident for tax purposes,
For the purposes of the present law, a national bidder is any bidder domiciled and resident for tax purposes in one of the member states of any regional economic organization to which the Republic of Burundi is a party.
Article 196: Preference conditions
The provisions of paragraph 3 of article 195 may only be applied subject to :
1) Respect for the principle of reciprocity in favour of Burundian tenderers from countries of which the beneficiaries of this preference are nationals;
2) The applicable regional conventions determine the - threshold for application of this preference. Below this application threshold, the preference schemes defined in article 198 below may only benefit Burundian tenderers, subject to the application of the provisions of articles 199 to 202 of the present law.
Article 197: Margin of preference for a foreign company
In the case of a contract with a decentralized local authority or one of its public establishments, a foreign candidate who intends to subcontract at least thirty (30) percent of the total value of the contract to a national company may benefit from a margin of preference which may not exceed five (5) percent.
Article 198 : Preference
Preference must be quantified in the tender documents as a percentage of the amount of the tender. Such a percentage may in no case exceed ten percent for works and fifteen percent for supplies and services.
Article 199 : Conditions of application
The national preference system may only be applied under the following conditions;
1} With regard to building and public works contractors, if at least thirty (30) percent of national inputs are used and at least fifty (50) percent of the technical staff and personnel employed on site are of Burundian nationality;
2) With regard to firms and design offices, if their volume of activity is estimated at 4 more than fifty (50) percent of the study;
3) With regard to suppliers, on the basis of the origin of supplies manufactured either in Burundi or in one of the member states of any regional organization to which the Republic of Burundi is a party, and of imported supplies, regardless of the nationality of the bidders, provided that manufactured goods are offered whose manufacturing cost includes a value added of at least thirty (30) percent in Burundi or in one of the member states of any regional organization to which the Republic of Burundi is a party;
4) In the case of suppliers, by reason of the nationality of the subcontractor, in the case of supplies which are exclusively imported.
Article 200: Conditions of national preference
The national preference system may only be applied to the legal entities referred to in Article 195 and subject to the provisions of Article 199 point 4:
1) If more than half of their capital is owned by nationals, as defined in article 195 of the present law;
2) If their deliberative and management bodies are also controlled or held by nationals.
Article 201 : National preference for temporary groupings
Groupements momentanés d'opérateurs Girangers concluded with natural or legal persons from a member state of any regional organization & to which the Republic of Burundi is a party may also benefit from national preference if their bid meets the conditions laid down in the present Iai.
However, as an exception to the conditions set out in article 199 point 2, for intellectual services, the percentage reserved for national consultancy firms must be at least thirty percent.
With regard to works and supplies, the provisions of article 199 points 1, 3 and 4 are applicable provided that one of the members of the consortium who can justify compliance with the conditions referred to in the said paragraph is a national company.
Article 202: Preference of decentralized local authorities 
In the case of contracts awarded by decentralized local authorities, a margin of preference not exceeding two percent (2%) may be granted to local companies through the tender documents. [...]" (Law No. 1/04 of January 29, 2018 amending Law No. 1/01 of February 4, 2008 on the public procurement code)
Law No. 1/04 of January 29, 2018 amending Law No. 1/01 of February 4, 2008 on the public procurement code
[<a href="https://assemblee.bi/wp-content/uploads/2024/01/04%20du%2029%20janvier%202018.pdf">Law</a>]