Penalty, interest, and addition to tax shall not apply or be computed with respect to the tax imposed in Article 2 of this chapter during the period of time that an individual enjoys the extension under subdivision 2 of subsections F and G of § 58.1-344. The periods of limitation prescribed in Chapter 18 (§ 58.1-1800 et seq.) of this title shall also be extended by the number of days to which an individual is entitled to an extension under subdivision 2 of subsections F and G of § 58.1-344.