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My number is on the National Do Not Call Registry. After I bought something from a company, a telemarketer representing that organization called me. Is this a violation?
No. By purchasing something from the company, you established a business relationship with the company. As a result, even if you put your number on the National Do Not Call Registry, that company may call you for up to 18 months after your last purchase or delivery from it, or your last payment to it, unless you ask the company not to call again. In that case, the company must honor your request not to call. If they subsequently call you again, they may be subject to a fine of up to $11,000.