unit of service. unit of service. any individual, family, aggregate, organization, or community given nursing care. The level at which service is delivered varies with the particular unit entity.
A foreign affiliate as defined in inward FATS statistics is an enterprise resident in a country which is under the control of an institutional unit not resident in the same country. Control is determined according to the concept of the 'ultimate controlling institutional unit' (UCI).
FFI is the abbreviation for foreign financial institution. It refers to a non-US financial institution. The FATCA legislation contains an extensive definition of FFI and includes entities such as banks, custodian institutions, investment funds and certain types of insurance companies.