(a) The tax imposed by this subchapter is due and payable not later than:
(1) March 1 after the end of the calendar year in which the insurance was effectuated, continued, or renewed; or
(2) another date prescribed by the comptroller.
(b) An insurer shall pay the tax imposed by this subchapter using a form prescribed by the comptroller.
(c) The tax imposed by this subchapter, if not paid when due, is a liability of the insurer, the insurer agent, and the insured.