• Data reference period
• Geographic localization (Portugal)

• CENTRAL GOVERNMENT EXCLUDING SOCIAL SECURITY FUNDS:  This subsector of General government includes all administrative departments of the state and other central agencies whose competence extends normally over the whole economic territory, except for the administration of social security funds.
• CURRENT TAXES ON INCOME, WEALTH, ETC.:  Current taxes on income, wealth, etc., cover all compulsory, unrequited payments, in cash or in kind, levied periodically by general government and by the rest of the world on the income and wealth of institutional units, and some periodic taxes which are assessed neither on the income nor the wealth.
• REFERENCE PERIOD:  The length of time for which data are collected, e.g. a specific day, month or year.
• TAXES ON PRODUCTION AND IMPORTS:  Taxes on production and imports consist of compulsory, unrequited payments, in cash or in kind which are levied by general government, or by the institutions of the European Union, in respect of the production and importation of goods and services, the employment of labour, the ownership or use of land, buildings or other assets used in production. These taxes are payable whether or not profits are made.

(total budgeted expenditure of the Central Administration/ tax revenue)*100