Guatemalan quetzal 5, 10, 20 and 100 quetzales, with quetzal notes added in 1933. In 1946, the Bank of Guatemala took over the issuance of paper money, with its first issues being overprints on notes of the Central Bank. Except for the introduction of 50 quetzales notes in 1967, the denominations of banknotes were unchanged until and 1 quetzal coins replaced notes at the end of the 1990s. In the top-right corner of the obverse face of each banknote, the value is displayed in Mayan numerals, representing Guatemala's cultural history. The Bank of Guatemala has introduced a polymer banknote of 1 quetzal
Indexed unit of account Indexed unit of account When a daily indexed unit of account or Daily Consumer Price Index (Daily CPI) or monetized daily indexed unit of account is used in contracts or in the Capital Maintenance in Units of Constant Purchasing Power accounting model, deferred payments and constant real value non-monetary items are indexed to the general price level in terms of a Daily Index such that changes in the inflation rate—in the case of monetary items—and the stable measuring unit assumption—in the case of constant real value non-monetary items—have no effect on the real value of these items. Non-indexed units, such