This article is from the Credit cards and Consumer Credit FAQ, by adams@spss.com (Steve Adams) with numerous contributions by others.
Probably yes. You should check your cardholder agreement. The
typical agreement gives the bank the right to take the money in any
of your accounts with them if you are delinquent on your bill. Even
if there's not such a provision in your cardholder agreement, it's
probably buried somewhere in the fine print that governs your
deposit account.
However, the Fair Credit Billing Act does not let them take any
collection action at all if you have properly notified them of a
dispute; see section 5, "Billing errors and overcharges."
 
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