Русско-англо-русский юридический словарь

Chain of command. A hierarchy of authority in which each rank is accountable to the one directly superior. (YourDictionary)

Respecting the chain of command means you should communicate with your managing boss first. (Medium)

“Everything is ‘yes sir,’ ‘no sir,’ respect the chain of command, don’t question your superiors.” (GQ, Minneapolis police officer's interview)