USCB vs Treasury Department

USCB and Treasury Department both are nouns.

Word	Noun	Adjective	Verb	Adverb
USCB	Yes	No	No	No
Treasury Department	Yes	No	No	No

USCB (noun)	Treasury Department (noun)
the agency of the Treasury Department that enforces import tariffs	the federal department that collects revenue and administers federal finances; the Treasury Department was created in 1789