Land usable for agriculture may only be acquired by:
-  Latvian citizens and the citizens of other EU countries, EEA countries, Switzerland and, since 10 March 2020, OECD countries;
-  State and self-governments and its enterprises; 
-  Enterprises  registered  in  the  Republic  of  Latvia  or  enterprises  registered  in  other  EU countries,  EEA  countries,  Switzerland or OECD countries and  registered  as  taxable  persons  in  the Republic of Latvia, which are fully jointly owned by Latvian citizens, other citizens of EU countries, citizens of EEA countries, citizens of Switzerland, citizens of OECD countries, the Latvian State or self-government, or which are owned by natural or legal persons from countries with which Latvia has signed and ratified an international agreement on the promotion and protection of investments before 31 December 1996 or an agreement signed and ratified by Latvia after that date, which provides for reciprocal rights to land acquisition. 

Citizens of other EU countries, EEA countries, Switzerland and OECD countries may only acquire agricultural land if they have received a document proving the knowledge of Latvian language at least according to level B2. Identical conditions apply also to the shareholder or shareholders of legal persons who jointly represent more than a half of the company’s voting capital and who have the right to represent the company.
"Section 28. Subjects of Transactions:
Land may be acquired into ownership by the following subjects:
1) citizens of the Republic of Latvia and citizens of other Member States of the European Union, as well as citizens of the countries of the European Economic Area, the Swiss Confederation and the Member States of the Organization for Economic Co-operation and Development;
2) the Republic of Latvia as the initial legal person governed by public law, and derived public persons;
3) a capital company registered in the Republic of Latvia, as well as a capital company registered in another Member State of the European Union, European Economic Area country, Swiss Confederation or Member State of the Organization for Economic Co-operation and Development, which is a taxpayer in the Republic of Latvia and:
a) all shareholders of which are the subjects referred to in Clause 1 or 2 of this Paragraph each individually or all together;
b) all shareholders of which are natural or legal persons from states, with which the Republic of Latvia has entered into international agreements regarding the promotion and protection of investments, ratified by the Saeima by 31 December 1996. The abovementioned shall also be applicable to natural or legal persons from states, with which international agreements have been entered into after 31 December 1996, if such agreements provide for the rights of natural and legal persons registered in the Republic of Latvia to purchase land in the relevant state;
c) all shareholders of which are several subjects referred to in Sub-clauses "a" and "b" of this Clause together;
4) religious organisations registered in Latvia, the term of activity of which, counting from the day when they were registered without the obligation to re-register, or from the day when they provided a notice to the register institution in the Republic of Latvia, is not less than three years;
5) a legal entity registered in the Republic of Latvia, another Member State of the European Union, a European Economic Area country, the Swiss Confederation or a Member State of the Organization for Economic Co-operation and Development, which is a taxpayer or registered as an economic operator in the Republic of Latvia and is:
a) an individual undertaking, the owner of which is the person referred to in Clause 1 of this Paragraph;
b) an individual merchant, which has been registered by the person referred to in Clause 1 of this Paragraph;
c) a co-operative society, all members of which are the subjects referred to in Clauses 1, 2 and 3 of this Paragraph, as well as in Sub-clauses "a", "b" and "c" of this Clause each individually or all together;
d) any other legal entity established in a Member State of the European Union, in a Member State of the European Economic Area, in the Swiss Confederation or in a Member State of the Organization for Economic Co-operation and Development, comparable to the entities referred to in this paragraph;
[...]
7) associations and foundations registered in the Register of Associations and Foundations of the Republic of Latvia, the term of activity of which, counting from the moment of registration in the Republic of Latvia, is not less than three years, the purpose of operation of which is related to nature protection, production of agricultural crops or produce or organisation and maintenance of a hunting farm, and which purchase land for implementation of such purposes.
[...]
The subjects of transactions, which are not referred to in Paragraph one of this Section, may acquire land into ownership in conformity with the restrictions laid down in Section 29 of this Law and in accordance with the procedures laid down in Section 30.

Section 28.1 Subjects of Transactions with Agricultural Land:
The transaction subjects referred to in Section 28, Paragraph one of this Law may acquire agricultural land and land, in the composition of which the dominant category of use of land is agricultural land, comparing the area occupied thereby with the sum of areas of the transaction object corresponding to other categories of use of land or the area of individual unit of land in the composition of a transaction object, as well as the undivided share of such land properties (hereinafter - the agricultural land), into ownership, if they are:
1) natural persons who conform to all of the following conditions:
a) that are registered as performers of economic activity in the Republic of Latvia;
[...]
c) who certify in writing that use of such land in agricultural activity will be commenced within a year after its purchase and will be ensured henceforth, if land in the previous or current year has been applied for direct payments, or will commence within three years and ensure henceforth, if land in the previous or current year has not been applied for direct payments;
d) the total amount of tax debts of which in Latvia or in the state where their permanent place of residence is located does not exceed EUR 150;
e) who have obtained a document relating to knowledge of the official language at least in accordance with level B2, if they are nationals of other Member States of the European Union, Member States of the European Economic Area, the Swiss Confederation or the Organization for Economic Co-operation and Development, and a Union registration certificate if they are nationals of other Member States of the European Union, of the European Economic Area or of the Swiss Confederation;
2) legal persons who conform to all of the following conditions:
[...]
b) who certify in writing that use of such land in agricultural activity will be commenced within a year after its purchase and will be ensured henceforth, if land in the previous or current year has been applied for direct payments, or will commence within three years and ensure henceforth, if land in the previous or current year has not been applied for direct payments;
[...]
d) the beneficial owners may be indicated and it may be certified that all beneficial owners are the persons referred to in Section 28, Paragraph one, Clause 1 of this Law;
e) the total amount of tax debts of which in Latvia or in the state where these persons are registered does not exceed EUR 150;
f) who is the owner of its capital shares or owners who jointly represent more than half of the voting capital shares in the company, and all persons having the right to represent the company, if they are citizens of other European Union Member States, as well as citizens of states of the European Economic Area and the Swiss Confederation, who have received the registration certificate of the Union citizen and the documents regarding the proficiency of the national language at least at B2 level;
g) is the holder or holders of shares which represent more than half of the voting rights in a company and all persons who are entitled to represent the company if they are not nationals of other Member States of the European Union, of the European Economic Area or of the Swiss Confederation , but are nationals of member countries of the Organization for Economic Co-operation and Development or of the countries referred to in Section 28, Paragraph one, Clause 3 (b) of this Law, have received a document of knowledge of the official language at least in accordance with level B2. 

Within the meaning of this Section agricultural activity is growing and production of plant produce (also growing of tree plants, mushrooms, wild berries), stock farming produce (also rabbit-breeding, poultry farming, apiculture and fur-faming), internal water fish farming produce (pisciculture in private bodies of water) and horticulture produce (also floriculture, greenhouse farming), including pre-processing and post-processing, if it is performed in the farm itself, as well as the provision of rural tourism services and maintenance of agricultural land for pasture or crop farming in an adequate state.

Within the meaning of this Section rural tourism services are guest accommodation services, which are provided in rural areas and rural populated areas in specially equipped premises for accommodating guests or other adjusted premises, as well as additional services related to rural tourism, which are based on the local cultural and natural resources.

Conditions of Paragraph one, Clause 1, Sub-clause "a" of this Section shall not be applied to natural persons - owners of farms who perform their economic activities by using the organisational structure of a farm.

Section 29. Restrictions to Transactions Involving Land Properties:
The persons referred to in Section 28, Paragraph four of this Law may not acquire in ownership:
1) land in the border zone of the State;
2) land in nature reserves and other protected nature areas in zones of nature reserves;
3) land in the protection zone of coastal dunes of the Baltic Sea and the Gulf of Riga;
4) land in the protection zones of public reservoirs and water courses, except sections, in which a group of constructions is intended in conformity with the territorial planning of local government;
5) the agricultural and forest land, except for sections in which construction is intended in conformity with the territorial planning of local government;
6) land in the mineral deposits of national significance. [...]" (Law  on  Land  Privatisation  in  Rural  Regions (32, 20.08.1992; last amended 27 February 2020), Sections 28, 28.1 and 29 [unofficial translation; translation valid up to 2.7.2019; complemented by google translation of 27.2.2020 amendments to Sections 28 and 28.1])
----------------------
"Article 20. Business subjects:
(1) Land may be acquired in ownership in accordance with the Civil Law and other laws:
1) citizens of Latvia and citizens of other Member States of the European Union;
2) state and local governments, state and local government enterprises (statutory companies);
3) a statutory company (capital company) registered in the Republic of Latvia or another Member State of the European Union:
a) in the share capital of which more than a half belongs to Latvian citizens, citizens of other Member States of the European Union, the State of Latvia or a local government - to each entity separately or to several of these entities together,
b) in the share capital of which more than a half belongs to natural or legal persons from countries with which the Republic of Latvia has concluded international agreements on the promotion and protection of investments approved by the Saeima until 31 December 1996. The above shall also apply to natural or legal persons from countries with which international agreements have been concluded after 31 December 1996, if these agreements provide for the right of natural and legal persons registered in the Republic of Latvia to acquire land in the respective country,
(c) in which more than half of the share capital is held jointly by several of the entities referred to in points (a) and (b),
(d) which is a public limited liability company, if its shares are listed on a stock exchange;
4) religious organizations registered in Latvia until 21 July 1940;
5) state and municipal higher education institutions.
(2) Other natural and legal persons who are not referred to in Paragraph one of this Section may acquire ownership of land with the restrictions specified in this Chapter.

Article 21. Restrictions on land transactions:
(1) The land referred to in Section 20 , Paragraph two of this Law may be acquired as property in accordance with the procedures specified in Section 22 of this Law .
(2) The persons referred to in Section 20 , Paragraph two of this Law may not acquire ownership of:
1) land in state border zones;
2) land in the dune protection zones of the Baltic Sea and the Gulf of Riga and in the protection zones of other public water bodies and watercourses, except in cases when they are intended for construction in accordance with the master plan of the city;
3) agricultural and forest land in accordance with the spatial plan of the city municipality. [...]" (Law on Land Reform in Towns and Cities of Republic of Latvia (14, 13.12.1991; last amended 6 June 2019), Sections 20 and 21 [google translation])
Law  on  Land  Privatisation  in  Rural  Regions (32, 20.08.1992; last amended 10 March 2020), Sections 28, 28.1 and 29 
Law on Land Reform in Towns and Cities of Republic of Latvia (14, 13.12.1991; last amended 6 June 2019), Sections 20 and 21
Amendments to the Law  on  Land  Privatisation  in  Rural  Regions, implemented 10 March 2020, Sections 1 and 2
[<a href="https://likumi.lv/ta/en/en/id/74241-on-land-privatisation-in-rural-areas">Law</a>],[<a href="https://likumi.lv/doc.php?id=70467">Law</a>],[<a href="https://www.vestnesis.lv/op/2020/49.2">Amendment</a>]