When preparing the balance sheet, the negative balance in the cash account should appear as a current liability (Checks Written in Excess of Cash Balance) instead of reporting the negative cash as an current asset.
A negative cash balance in the general ledger (on the balance sheet) does not mean that the company's bank account is overdrawn. For example, if a company writes checks for $100,000 and mails them at the end of the day to suppliers in another state, those checks might not clear the bank account for four days. The general ledger account might show a negative $40,000 but the bank's checking account might be reporting a positive balance of $60,000. If the company deposits more than $40,000 tomorrow morning, the bank balance will not show an overdraft because the bank balance will be large enough to pay the $100,000 of checks when they clear the company's checking account in a few days.
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