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Is there a limit on the dollar amount of a personal check?

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Because of the way checks are processed, you can't write a check for $100 million or more:

The field used for 'amount' has 10 digits, so anything at/above 10^10 cents (which would require 11 digits) can't be processed, at least not by normal means.

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So I guess I need to write two different checks for my island. – MrChrister Jan 26 '11 at 17:03
Physically huge checks, like from Ed McMahon or the lottery, are processed on special equipment that can handle trillion dollar-plus amounts: – bstpierre Jan 28 '11 at 20:33
I think the key here however is "automated processing" However, there is no reason that a check has to be automatically processed. I can't imagine a situation in which a check for only $90 million isn't going to cause the depositing bank to directly call the issuing bank anyway. – Justin Ohms Jul 14 '11 at 18:50

Like the old American Express commercial: "no preset spending limit".

It is really up to the bank(s) in question how big a cheque they are willing to honour.

A larger amount would likely be held longer by a receiving institution to ensure that it cleared properly, but nothing written in law (in Canada, that I am aware of).

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As long as someone is willing to take it, you can write it! I personally wrote a check for a new car. The dealership didn't bat an eye.

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Many businesses will request that you get a bank-issued check for large amounts of money. The exception is often in cases where you're not going anywhere: you can write a 50,000 check for a deposit on a new house, and you'll never have a problem, but a car dealer will probably request a counter check for the same sum.

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Not really. A bank will honor a million dollar check if there are funds there to let it clear.

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