(a) Records Basic to Audit, including those relating to attendance, average daily attendance, or a business or financial transaction (purchase orders, invoices, warrants, ledger sheets, cancelled checks and stubs, student body and cafeteria fund records, etc.), and detail records used in the preparation of any other report. Teachers' registers may be classified as Class 3--Disposable only if all information required in Section 432 is retained in other records or if the General Record pages are removed from the register and are classified as Class 1--Permanent.

(b) Periodic Reports, including daily, weekly, and monthly reports, bulletins and instructions.