icu4c/source/data/curr/ru_BY.txt

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html#License
ru_BY{
    Currencies{
        BYN{
            "Br",
            "белорусский рубль",
        }
        RUR{
            "RUR",
            "Российский рубль (1991–1998)",
        }
    }
    Currencies%narrow{
        BYN{"Br"}
    }
    Version{"2.1.31.33"}
}