It is generally easier to prohibit a wide swath of behavior and to determine the exceptions, than it is to be more granular in specifying what is banned, unless the sanctioned activities are very narrow in scope. Recent history has shown that, sometimes, the seemingly narrowest of prohibitions today can lead to the realization that exceptions are still warranted tomorrow. Consider that one of the first General Licenses imposed under the Ukraine-related OFAC sanctions was to permit business with the Turkish bank DenizBank, which was wholly-owned by Sberbank and thus subject (due to the "50 Percent Rule") to the same sanctions as its parent. Recently, after the Russian Federal Security Service (known in the West as the FSB) was designated under OFAC's cyber sanctions. A General License was quickly issued to permit payment of fees to the FSB for forms processing that they perform on a routine basis.