Complex sentence: The Bureau of Investigation was renamed the "Division" in 1933 until in the 1935 Department of Justice budget appropriation, Congress officially recognized the Division as the "Federal Bureau of Investigation" effective March 22,1935, when the President signed the appropriation bill.
Split into simpler sentences: The Bureau of Investigation was renamed the "Division" in 1933 until in the 1935 Department of Justice budget appropriation, Congress officially recognized the Division as the "Federal Bureau of Investigation". The name became effective on March 22,1935, when the President signed the appropriation bill.