Old invoices

Girish L A (M.Com) (33 Points)

09 July 2015  
Dear sir/madam, Could you plz help me on below situation. We found an invoice belongs to FY 10-11 worth Rs5000(example) for office expenses and this invoice was not posted for AY 11-12. However, we found that invoice now. Could you please advise what entry needs to posted and how to treat this in Balance sheet.