Field Notes
Reading Cut-off Errors in a Coastal Manufacturer’s Year-End
How shipping ledgers and warehouse tallies diverge when goods leave the pier after the books close.
Manufacturers along Kanagawa’s coast often close books on calendar year-end while vessels still load after midnight. Revenue can sit in the wrong period when bills of lading and sales invoices disagree by a few hours.
The practical test is simple: match the last ten outbound shipments before close and the first ten after. If packing lists show goods leaving after midnight while invoices are dated December 31, cut-off needs adjustment.
Warehouse supervisors should keep a sealed count sheet with the examiner present. Recounts after the team leaves rarely settle disputes; contemporaneous observation does.
When cut-off errors recur, we recommend a short policy note for the shipping desk rather than a sweeping control redesign. Narrow fixes preserve the examination timeline.
