subcommission
/ˌsʌbkəˈmɪʃn/noun
1A warrant or charge which is subsidiary to or dependent on another. rare in later use.
2A subordinate group or body of commissioners; a part of a larger commission.
Origin
Early 17th century; earliest use found in Francis Bacon (1561–1626), lord chancellor, politician, and philosopher. From sub- + commission.