[2] The main objectives of the agency include: helping the taxpayers with their tax obligations and rights; implementation and enforcement of tax laws, primarily collecting and administering the taxes; collection of revenue for the state budget.

The historic origins of the tax authority in Lithuania can be traced back to the Treasury Tribunal and, later, Treasury Commission of the Grand Duchy of Lithuania which operated in 16th-18th centuries.

[5] These departments were not independent institutions and the finance minister was also the Chief Tax Administrator.

The modern institution of the State Tax Inspectorate was defined in the laws in 1990.

[4] Currently, the institution and its activities are defined by the Law on Tax Administration 2004.