In order to mitigate programme risks, to avoid reliance on a single source of supply and to ensure better overall control of the programmes and their costs and schedules, multiple sourcing should be pursued, wherever appropriate.
Chun rioscaí a bhaineann leis an gclár a mhaolú, spleáchas ar fhoinsí aonair soláthair a sheachaint agus rialú foriomlán níos fearr ar na cláir agus ar a gcostais agus ar a sceidil a áirithiú, ba cheart ilfhoinsiú a shaothrú, nuair is iomchuí.