(a) Except as provided in subsection (b) of this section, each person required to file a return under § 7.5-201 of this title shall pay the digital advertising gross revenues tax with the return that covers the period for which the tax is due.

(b) A person required to file estimated digital advertising gross revenues tax returns under § 7.5-201(b) of this title shall pay:

(1) at least 25% of the estimated digital advertising gross revenues tax shown on the declaration or amended declaration for a taxable year:

(i) with the declaration or amended declaration that covers the year; and