http://pro.nais.lv/naiser/request.cfm/
A Legislation information system (paid, requires subscription). It offers a complete set of legal acts (laws, regulations, decrees, etc.), international conventions/agreements accepted by Latvia. Some international documents are translated into English. Database includes English translation of the most important normative acts.

http://www.ttc.lv/
This website provides some Latvian laws and regulations in English. The information is free of charge.

http://www.likumi.lv/
A collection of legislation in force (laws, regulations), consolidated versions and Constitutional Court’s decisions. The information is free of charge but only in Latvian.

http://www.satv.tiesa.gov.lv/
The official website of the Constitutional Court of the Republic of Latvia. The page itself, as well as several decisions, is also available in English and Russian. The entire page is free of charge.