Correction of Errors

• Error of omission


  transaction left out, not accounted for
• Error of commission


  transaction entered in wrong supplier or customer account
• Error of principle


  Item entered in wrong class of account
• compensating errors


  when errors cancel out each other
• Error of original entry


  When original figures incorrect or double entry is made using incorrect figures
• Complete reversal of entries


  When correct account used, but each item on wrong side of account
• Errors that do not affect trial balance

  • Error of omission
  • error of commission
  • error of principle
  • compensating errors
  • Error of original entry
  • complete reversal of entries
• Errors that do affect trial balance

  1. one-sided entry
  2. entry duplicated on one side, nothing on the other
  3. unequal entries
• one-sided entry


  Only one side of double entry is made
• Entry duplicated on one side, nothing on the other


  Entry is made in the correct accounts but both accounts are either debited or credited
• Unequal entries


  The debit and credit entry of same transaction are unequal