Tonga

Recovered after an initial research pass skipped Tonga (source unreachable by direct fetch; recovered via reader-proxy access). RECOVERED, single-pass: the Ministry of Revenue & Customs' official tax-legislation index lists Income Tax Act 2007 (plus 7 amendments), Consumption Tax Act 2003 (plus 3 amendments), Revenue Services Administration Act 2002/2021 (plus 5 amendments), and the Pacific Games 2019 Taxation Incentives Act 2017 — no wealth tax act. Corroborated by the same site's own tax/deadline listing (Consumption Tax, PAYE, Withholding Tax, Shipping & Aircraft Tax, Income Tax, Small Business Tax — no wealth tax). Concluded by omission from an official, apparently complete government enumeration rather than an explicit denial statement.