The framework document governing the official statistics and CSB's activity is the Official Statistics Law of the Republic of Latvia and Regulation on European Statistics.
Regulation (EC) No 223/2009 of the European Parliament and of the Council on European statistics sets forth:
- organization of European Statistical System;
- production of European statistics;
- quality criteai and commitment to the European Statistics Code of Practice ;
- dissemination European Statistics.
The Cabinet Regulation No. 994 “By-Laws of the Central Statistical Bureau of Latvia” issued on 30 November 2004 defines general organisational structure, functions, tasks and rights of the CSB. Organisational structure is published in section About us.
The Law on Population Census states that in Latvia population censuses must be performed at least every ten years.
As of April 2010 the CSB is oblidged to comply with 306 EU legal acts binding in the field of statistics, including 306 Regulations of the Parliament, Council or Commission, 66 Commission Decisions, 13 EU Directives and 1 recommendation.
The CSB performs statistical work in compliance with principles set out in the European Statistics Code of Practice, the most important of which are as fallows:
- professional independence;
- quality and statistical confidentiality commitment;
- approved methodology;
- reduction of excessive burden on respondents;
- timeliness and punctuality;
- availability and clarity.
The CSB’s statistical work is performed according to the Fundamental Principles of Official Statistics  adopted during the special session of the United Nations Statistical Commission from 11 to 15 April 1994. The most significant principles are:
- availability of statistical information for any user under the same conditions;
- transparency of data sources, methods and procedures;
- training of users;
- balanced use of data collection methods, including collection from administrative sources, taking into account the quality of data, costs and burden on respondents;
- relevant and publicly available laws and regulations in the field of statistics, cooperation of statistical institutions within the country and internationally;
- application of internationally recognised concepts, classifications and methods.