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The reviewing and adjusting of the balance in a personal checkbook to match your bank statement.
The process of ensuring that one's personal records of transactions on a bank account matches the bank statement one receives each month or quarter. That is, each time one writes a check, uses a debit card, or otherwise makes a withdrawal from or deposit into a bank account, one keeps a record of the transaction. Account reconciliation involves making sure that these records match the bank's of the same transactions. Account reconciliation helps avoid, or at least remedy, such problems as identity theft and bank errors.