the dealer of communications services may be held liable to the department for the net aggregate underpayment of tax, and for interest and penalties attributable to the net aggregate underpayment of tax, which is due as a result of assigning one or more service addresses to an incorrect local taxing jurisdiction. Subject to the provisions of subsection (8) and ss. 202.34 and 202.35(3), the dealer of communications services is not liable for any tax, interest, or penalty under this subsection unless the department has determined the net aggregate underpayment of tax for any tax period that is being examined, taking into account all underpayments and overpayments for such period or periods.
Fla. Stat. § 202.22