I am not sure I am following your question, but if there is a valid judgment lien it can enforced against your property as well as property held jointly with your spouse. Your corporate account could be exempt if your incorporation and maintenance of the corporate account observed all of the corporate formalities. You may want to consult with a business or collections attorney in your area.
I am not your attorney unless you and I have signed a retainer agreement. What I am saying is not legal advice. Do not act on this information without engaging my services, this is for consideration only.
If there is actually a judgment from a North Carolina court, you would have been served with a "Notice of Right to Have Exemptions Designated" before any "subpoena" could be issued for any of your bank accounts. You could have protected the funds in your joint savings account (subject to the exemption limits) when you responded and filed your Motion To Claim Exempt Property. Please give more details, is this a judgment from North Carolina or from another state? I recommend that you contact an attorney ASAP. If this "judgment" is from another State you should contact a lawyer licensed in that state.
Generally your corporate accounts cannot be subject to seizure for a personal debt unless there have been additional findings.
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