> multiple official rates One such case is customs agencies publishing their own exchange rates for use in custom declarations, for example here[1] for the US

> multiple official rates One such case is customs agencies publishing their own exchange rates for use in custom declarations, for example here[1] for the US or here[2] for Sweden. [1]: https://www.cbp.gov/trade/document/report/daily-foreign-currency-exchange-rate-multipliers https://www.cbp.gov/trade/document/report/daily-foreign-curr... [2]: https://tulltaxan.tullverket.se/arctictariff-public-web/#!/taric/duty/exchangerates https://tulltaxan.tullverket.se/arctictariff-public-web/#!/t...