Provided, however, that no filing may be returned or disapproved on the grounds that such information has not been furnished if the filer has not been required to collect such information pursuant to statistical plans or programs or to report such information to statistical agents, except where the Commissioner has given reasonable prior notice to the filer to begin collecting and reporting such information or except when the information is readily available to the filer.
N.C. Gen. Stat. § 58-41-50