Tennessee Code Annotated, Section 8-13-108, authorizes counties which have established a county public records commission to forego the various sets of books noted previously and maintain one continuous recording of any and all instruments in one general series of books or film to be designated “official record book.”  Likewise, when a system of microphotography is used to record all instruments, the references may be to “book,” “film,” “reel,” or other such designation.  Also, some special rules have been allowed for Davidson County in regard to notebook records.

Tennessee Code Annotated, Section 10-7-202(a), authorizes the combining of indexes into a general direct and reverse index.  This law supersedes the earlier laws which appear to require separate indexes.