: Before starting the report, verify the serial numbers of the forms currently in your possession against the last recorded entry.
: List all forms issued during the reporting period. You must include the date, the specific series and number of the form, and the amount received.
: Compare the starting balance of forms with the number of issued and spoiled forms to ensure the ending balance is accurate.
: If a form was filled out incorrectly, do not throw it away . Mark it as "Cancelled" (Аннулировано), and include it in your report. It must be kept for at least five years.
: Keep your BSOs in a safe or a locked cabinet. During an audit, the physical presence of these forms is often checked first.