Access to land is subject to discriminatory restriction as foreign natural or legal persons (including any legal entity constituted in Burundi whose capital is majority owned by foreigners) are only granted freehold land for specific purposes (industrial, agro-industrial, commercial, social, cultural, scientific or residential use) subject to reciprocity. Otherwise, foreign persons may lease land on a medium-term basis up to 50 years. Foreign natural or legal persons cannot own agricultural land unless under a leashold term.
"Article 5
Land within the meaning of this Code means any real right exercised over a built or unbuilt building, namely ownership, emphyteusis, usufruct, use and habitation, easements and mortgage.
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TITLE I: General provisions [...]
Article 12
Any natural or legal person may enjoy, without discrimination, all the rights defined by the present Code and exercise them freely, subject to respect for the rights of others and restrictions resulting from the law.
Article 13
Subject to reciprocity, foreign natural or legal persons enjoy the same rights and protections as nationals; in particular, they may benefit from the transfer or concessions of state-owned land as defined and organized by the present law.
However, they may only be granted freehold land for industrial, agro-industrial, commercial, social, cultural, scientific or residential use.
If the transferred or granted property is not put to use for five years, the transfer or concession contract is terminated. The terms of application of this paragraph shall be determined by regulation. 
Land for agricultural or livestock use may not be the subject of freehold transfers to foreign natural or legal persons.
Article 14
The provisions of the preceding article do not preclude, subject to reciprocity, the application of more favorable rules which are or will be provided for, in favor of foreign natural persons or legal entities by bilateral or multilateral international agreements to which Burundi is a party
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Article 15
For the application of the provisions of this Code, any natural person not having Burundian nationality within the meaning of the Burundian Nationality Code is considered a foreigner. Any legal entity falling into one of the following two categories is also considered foreign: 
1° legal entities which are not constituted under Burundian law or for those constituted under Burundian law whose capital is majority owned by foreigners;
2° associations of foreigners or made up mainly of foreigners.
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Chapter I. - Long-term Lease
Article 44
A long-term lease is the right to have, for a fixed period, full enjoyment of a building belonging to another, with the responsibility of developing it, maintaining it and paying the owner a fee in kind or in money as agreed. 
It cannot be established for a term of less than eighteen years. If it is granted for a shorter period, it is deemed void.
Nor can it be granted for a period exceeding fifty years. If it is granted for a longer period, it is automatically reduced to this term. [...]" (LAW N°1/13 OF AUGUST 9, 2011 REVIEWING THE LAND CODE OF BURUNDI)
LAW N°1/13 OF AUGUST 9, 2011 REVIEWING THE LAND CODE OF BURUNDI
[<a href="https://www.fao.org/faolex/results/details/fr/c/LEX-FAOC111284">Law</a>]