The Attorney General may arrange and classify the work of the Department of Justice, and consolidate, abolish, or create divisions, bureaus, branches, sections, or units within the department. Any statutory or other reference to the Office of the Attorney General, the State Bureau of Criminal Identification and Investigation, the Division of Law Enforcement, or the Bureau of Gambling Control shall be construed to refer to the division, bureau, branch, section, or unit within the department which is performing the functions referred to; and no such function shall be abolished without express statutory authority.