Good afternoon Paul,
I'm Doug, and I'm very sorry to hear of your situation. My goal is to provide you with excellent service today. I have been a CA licensed attorney for more than 3 decades. And yes, I fully understand your question.
I believe that you are referring to a levy on the bank account, and not a lien, per se. But quite simply, a levy on a bank account only will effect money that is presently in the account.
So, in your example, if you have a cashier's check drawn on the corporate account that is made out to the corporation, then when the check is prepared by the bank, the bank will remove that money from the bank account. It is essentially the same as taking out cash and putting it under your mattress---but just safer.
With the money no longer in the account, a levy won't be able to get at the money.
You may reply back to me using the Reply link and I will be happy to continue to assist you until I am able to address your concerns, to your satisfaction.
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I wish you and yours the best in 2016,