To Sherlocked's and John's point - that is why one of the allowable exception hold reasons is the large deposit exception. Basically caps the risk exposure for normal availability at $5,000 which is probably a fairly reasonable level. If the deposit is over $5,000, you can apply the large deposit exception hold for everything over $5,000.
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Jim Bedsole, CRCM, CBA, CFSA, CAFP
My posts - my opinions