where there are many business units with their own needs that cannot feasibly be expected to know every permit requirement of other business units within the wider organisation
pan fydd llawer o fusnesau uned sydd â'u hanghenion eu hunain na ellir disgwyl yn ddichonadwy iddynt wybod pob gofyniad sydd gan unedau busnes eraill o fewn y sefydliad ehangach