UF: Unit of account. It is one of the indexation systems authorized by the CBCh for money credit transactions in domestic currency performed by banking and financial institutions, and savings and credit cooperatives. This unit is indexed daily as from the tenth day of each month and until the ninth day of the following month to the geometric average rate of variation of the consumer price index (CPI) during the calendar month preceding the period for which this unit is being determined. Further methodological background of this unit may be found in Chapter II.B.3 of the Compendium of Financial Regulations (CNF), available in the CBCh's website: www.bcentral.cl