Armijn Hemel (gpl-violtions.org, Loohuis Consulting) and Shane Coughlan (Opendawn, FSFE) complete a trilogy of articles examining FOSS licensing issues and best practice on LWN.net with an outline of FOSS license compliance for companies. Readers may also be interested in part one, describing what developers can do to protect their rights in the consumer electronics market, and part two, examining the field of embedded device compliance engineering.