CA 40 · Simple Jackshttps://desk.simplejacks.ai/ca-billionaires-tax/California wealth-tax proposals, documents, competing arguments and developments.Proposal to Tax Billionaires Ignites a Political Fight in California | KQEDhttps://www.kqed.org/news/12070052/proposal-to-tax-billionaires-ignites-a-political-fight-in-californiahttps://www.kqed.org/news/12070052/proposal-to-tax-billionaires-ignites-a-political-fight-in-californiaSat, 12 Sep 2026 00:00:00 GMTCalifornia Billionaire Tax Will Be on November’s Ballot, Along With These 13 Measures | KQEDhttps://www.kqed.org/news/12088883/california-billionaire-tax-november-ballot-measureshttps://www.kqed.org/news/12088883/california-billionaire-tax-november-ballot-measuresSat, 12 Sep 2026 00:00:00 GMTSplitting With State Party, San Francisco Democrats Oppose Billionaire Tax | KQEDhttps://www.kqed.org/news/12097032/splitting-with-state-party-san-francisco-democrats-oppose-billionaire-taxhttps://www.kqed.org/news/12097032/splitting-with-state-party-san-francisco-democrats-oppose-billionaire-taxSat, 12 Sep 2026 00:00:00 GMT2026 Berkeley IGS Poll Releaseshttps://igs.berkeley.edu/research/berkeley-igs-poll/2026-berkeley-igs-poll-releaseshttps://igs.berkeley.edu/research/berkeley-igs-poll/2026-berkeley-igs-poll-releasesSat, 12 Sep 2026 00:00:00 GMTCalifornia Billionaire Tax Nears the November Ballot | KQEDhttps://www.kqed.org/news/12081502/california-billionaire-tax-nears-the-november-ballothttps://www.kqed.org/news/12081502/california-billionaire-tax-nears-the-november-ballotSat, 12 Sep 2026 00:00:00 GMTCalifornia Voters Appear to Support a Billionaire Tax, Split on Proposed Voter ID Law | KQEDhttps://www.kqed.org/news/12077047/california-voters-appear-to-support-a-billionaire-tax-split-on-proposed-voter-id-lawhttps://www.kqed.org/news/12077047/california-voters-appear-to-support-a-billionaire-tax-split-on-proposed-voter-id-lawSat, 12 Sep 2026 00:00:00 GMTCalifornia Billionaire Tax Has Strong Support of Democratic Voters, New Poll Shows | KQEDhttps://www.kqed.org/news/12095116/california-billionaire-tax-has-strong-support-of-democratic-voters-new-poll-showshttps://www.kqed.org/news/12095116/california-billionaire-tax-has-strong-support-of-democratic-voters-new-poll-showsSat, 12 Sep 2026 00:00:00 GMTCalifornia Secretary of State Shirley N. Weber, Ph.D., Announces New Measure Eligible for November 2026 General Election Ballot. Imposes one-time tax on certain individuals and trusts. Initiative constitutional amendment and statute. :: California Secretary of Statehttps://www.sos.ca.gov/administration/news-releases-and-advisories/2026-news-releases-and-advisories/california-secretary-state-shirley-n-weber-phd-announces-new-measure-eligible-november-2026-general-election-ballot-imposes-onehttps://www.sos.ca.gov/administration/news-releases-and-advisories/2026-news-releases-and-advisories/california-secretary-state-shirley-n-weber-phd-announces-new-measure-eligible-november-2026-general-election-ballot-imposes-oneSat, 12 Sep 2026 00:00:00 GMTNew Polling Sheds Light on November Ballot | KQEDhttps://www.kqed.org/news/12095408/new-polling-sheds-light-on-november-ballothttps://www.kqed.org/news/12095408/new-polling-sheds-light-on-november-ballotSat, 12 Sep 2026 00:00:00 GMTWhat is the California 2026 Billionaire Tax Act?https://www.capitalgroup.com/pcs/insights/articles/ca-billionaire-tax-2026.htmlhttps://www.capitalgroup.com/pcs/insights/articles/ca-billionaire-tax-2026.htmlSat, 12 Sep 2026 00:00:00 GMTThe California Billionaire Tax Act: Constitutional Limits on Implementation | Thought Leadership | June 2026 | Baker Bottshttps://www.bakerbotts.com/thought-leadership/publications/2026/june/the-california-billionaire-tax-act-constitutional-limits-on-implementationhttps://www.bakerbotts.com/thought-leadership/publications/2026/june/the-california-billionaire-tax-act-constitutional-limits-on-implementationSat, 12 Sep 2026 00:00:00 GMTCan Sanders' Billionaire Tax Survive Constitutional Review?https://legalaiinsights.com/regulation-ethics/billionaire-tax-constitutional-reviewhttps://legalaiinsights.com/regulation-ethics/billionaire-tax-constitutional-reviewSat, 12 Sep 2026 00:00:00 GMTCalifornia’s Proposition 40 Billionaire Tax: What Family Offices Should Watch Before the November 2026 Ballot | ArentFox Schiffhttps://www.afslaw.com/perspectives/alerts/californias-proposition-40-billionaire-tax-what-family-offices-should-watch-thehttps://www.afslaw.com/perspectives/alerts/californias-proposition-40-billionaire-tax-what-family-offices-should-watch-theSat, 12 Sep 2026 00:00:00 GMTBillionaire Tax Explained: What Proposition 40 Would Mean for Californiahttps://calbudgetcenter.org/resources/billionaire-tax-explained-what-proposition-40-would-mean-for-california/https://calbudgetcenter.org/resources/billionaire-tax-explained-what-proposition-40-would-mean-for-california/Sat, 12 Sep 2026 00:00:00 GMTCalifornia Billionaires: Wealth, Taxes, and Wealth Tax Revenue Estimateshttps://www.nber.org/papers/w35218https://www.nber.org/papers/w35218Sat, 12 Sep 2026 00:00:00 GMTThe Politics and Promise of a Billionaire Tax | Stanford Law Schoolhttps://law.stanford.edu/stanford-legal/the-politics-and-promise-of-a-billionaire-tax/https://law.stanford.edu/stanford-legal/the-politics-and-promise-of-a-billionaire-tax/Sat, 12 Sep 2026 00:00:00 GMTUpdate on the California 2026 Billionaire Tax Act | Thought Leadership | May 2026 | Baker Bottshttps://www.bakerbotts.com/thought-leadership/publications/2026/may/update-on-the-california-2026-billionaire-tax-acthttps://www.bakerbotts.com/thought-leadership/publications/2026/may/update-on-the-california-2026-billionaire-tax-actSat, 12 Sep 2026 00:00:00 GMTCalifornia’s proposed Billionaire Tax Act ballot initiativehttps://www.pwc.com/us/en/services/tax/library/california-proposed-billionaire-tax-act-ballot-initiative.htmlhttps://www.pwc.com/us/en/services/tax/library/california-proposed-billionaire-tax-act-ballot-initiative.htmlSat, 12 Sep 2026 00:00:00 GMTCalifornia 2026 Billionaire Tax Act | Thought Leadership | December 2025 | Baker Bottshttps://www.bakerbotts.com/thought-leadership/publications/2025/december/california-2026-billionaire-tax-acthttps://www.bakerbotts.com/thought-leadership/publications/2025/december/california-2026-billionaire-tax-actSat, 12 Sep 2026 00:00:00 GMTThe Legal Challenges to California’s Proposition 40, the 2026 Billionaire Tax Act – California Globehttps://californiaglobe.com/fr/the-legal-challenges-to-californias-proposition-40-the-2026-billionaire-tax-act/https://californiaglobe.com/fr/the-legal-challenges-to-californias-proposition-40-the-2026-billionaire-tax-act/Sat, 12 Sep 2026 00:00:00 GMTNew tax on the wealth of billionaires. [Ballot]https://lao.ca.gov/BallotAnalysis/Initiative/2025-024https://lao.ca.gov/BallotAnalysis/Initiative/2025-024Sat, 12 Sep 2026 00:00:00 GMTThe California Billionaire Tax Act: Delayed, Contested, and Uncertain Revenue | Thought Leadership | June 2026 | Baker Bottshttps://www.bakerbotts.com/thought-leadership/publications/2026/june/the-california-billionaire-tax-act-delayed-contested-and-uncertain-revenuehttps://www.bakerbotts.com/thought-leadership/publications/2026/june/the-california-billionaire-tax-act-delayed-contested-and-uncertain-revenueSat, 12 Sep 2026 00:00:00 GMTCalifornia's Proposed Billionaire Tax: What You Need to Know | Insights | Holland & Knighthttps://www.hklaw.com/en/insights/publications/2026/09/californias-proposed-billionaire-tax-what-you-need-to-knowhttps://www.hklaw.com/en/insights/publications/2026/09/californias-proposed-billionaire-tax-what-you-need-to-knowSat, 12 Sep 2026 00:00:00 GMTUnion leader behind California billionaires' tax proposal accused of threatening, harassing womenhttps://apnews.com/article/california-union-leader-harassment-billionaires-tax-d1e164ebd5b95dc1893b597253fd7fa3https://apnews.com/article/california-union-leader-harassment-billionaires-tax-d1e164ebd5b95dc1893b597253fd7fa3Fri, 11 Sep 2026 23:22:13 GMTProp 40 is dividing CA labor unions and experts argue the fight goes well beyond a billionaire taxhttps://abc7news.com/post/2026-election-proposition-40-is-dividing-california-labor-unions-experts-argue-fight-goes-beyond-billionaire-tax/19806749/https://abc7news.com/post/2026-election-proposition-40-is-dividing-california-labor-unions-experts-argue-fight-goes-beyond-billionaire-tax/19806749/Wed, 09 Sep 2026 23:39:37 GMTOpinion | California’s Wealth Tax Will Drive Talent Out of the State - WSJhttps://news.google.com/rss/articles/CBMimgFBVV95cUxQQi1zRm84R3I1anQxZjFCcS04bGpZT2l6MzRGSVF5NVZUT1R0WTFlVjV5TzRmMS1hQmFobUNVb1RGdjhNN2ZOU0wtMkIxV3lKeVl3Y2czTWIxRTg0OUdWVzliUGsxWElhVjJfVmFEZXpvSFgySnEydXpWcHB6dlRqdS1DbVl0YWNtSU93Tk5CdHVpbjl2WnlxUEd3?oc=5https://news.google.com/rss/articles/CBMimgFBVV95cUxQQi1zRm84R3I1anQxZjFCcS04bGpZT2l6MzRGSVF5NVZUT1R0WTFlVjV5TzRmMS1hQmFobUNVb1RGdjhNN2ZOU0wtMkIxV3lKeVl3Y2czTWIxRTg0OUdWVzliUGsxWElhVjJfVmFEZXpvSFgySnEydXpWcHB6dlRqdS1DbVl0YWNtSU93Tk5CdHVpbjl2WnlxUEd3?oc=5Tue, 08 Sep 2026 17:31:00 GMTClose to Home: Tax California billionaires now - The Press Democrathttps://news.google.com/rss/articles/CBMikAFBVV95cUxPYVJYNnRpT1JDZEZWcDl2aGlmdjdpTmx3U0dIOTV4WW42aVlfMENMak5FbWI5TjlTRE42c1dvVk9oWm9pTWdtdUJWWVBWOWd4eHNqenJtMU83Yy1lWUg1cDZkUFE3ajZHU2JUSWxzeUZ1Z3NBa1F4OE9VOTVEVVJ5R3pyUFpiTnp3WGp4aWpyQ3E?oc=5https://news.google.com/rss/articles/CBMikAFBVV95cUxPYVJYNnRpT1JDZEZWcDl2aGlmdjdpTmx3U0dIOTV4WW42aVlfMENMak5FbWI5TjlTRE42c1dvVk9oWm9pTWdtdUJWWVBWOWd4eHNqenJtMU83Yy1lWUg1cDZkUFE3ajZHU2JUSWxzeUZ1Z3NBa1F4OE9VOTVEVVJ5R3pyUFpiTnp3WGp4aWpyQ3E?oc=5Sun, 06 Sep 2026 12:59:29 GMTOpinion | Five California propositions ask the same question: Who should pay billions in taxes?https://calmatters.org/commentary/2026/08/california-ballot-measures-taxes-billions/https://calmatters.org/commentary/2026/08/california-ballot-measures-taxes-billions/Wed, 19 Aug 2026 12:00:00 GMTConstitutional Flaws of California’s Proposed Wealth Taxhttps://taxfoundation.org/research/all/state/california-proposition-40-wealth-tax-constitutional-legal-issues/https://taxfoundation.org/research/all/state/california-proposition-40-wealth-tax-constitutional-legal-issues/Wed, 12 Aug 2026 08:55:22 GMTCalifornia Democrats buck Newsom and union allies by endorsing populist billionaire taxhttps://calmatters.org/politics/2026/08/billionaire-tax-california-democrats-split/https://calmatters.org/politics/2026/08/billionaire-tax-california-democrats-split/Tue, 04 Aug 2026 21:42:09 GMTOpinion | California’s billionaire tax measure risks long-term growth for a sugar-high solutionhttps://calmatters.org/commentary/2026/07/billionaire-tax-risks-proposition-40/https://calmatters.org/commentary/2026/07/billionaire-tax-risks-proposition-40/Wed, 29 Jul 2026 12:00:00 GMTProposition 40: Billionaire taxhttps://calmatters.org/california-voter-guide-2026/proposition-40-billionaire-tax/https://calmatters.org/california-voter-guide-2026/proposition-40-billionaire-tax/Tue, 28 Jul 2026 21:00:00 GMTCalifornia’s 2026 Billionaire Tax Act: What High-Net-Worth Taxpayers Need to Knowhttps://www.fbm.com/publications/californias-2026-billionaire-tax-act-what-high-net-worth-taxpayers-need-to-know/https://www.fbm.com/publications/californias-2026-billionaire-tax-act-what-high-net-worth-taxpayers-need-to-know/Mon, 27 Jul 2026 00:00:00 GMTTax the rich, Gavin Newsom says to the nation. In California, he walks a finer linehttps://calmatters.org/politics/2026/07/newsom-balancing-act-wealth-tax-billionaires/https://calmatters.org/politics/2026/07/newsom-balancing-act-wealth-tax-billionaires/Wed, 22 Jul 2026 12:15:00 GMTOpinion | California voters will decide 14 ballot measures, billionaire tax included. There could've been morehttps://calmatters.org/commentary/2026/07/ballot-measure-conflicts-billionaire-tax/https://calmatters.org/commentary/2026/07/ballot-measure-conflicts-billionaire-tax/Wed, 01 Jul 2026 12:00:00 GMTCalifornia Gov. Gavin Newsom proposes federal billionaire tax and AI "public equity" fundhttps://www.cbsnews.com/news/newsom-proposes-federal-billionaire-tax-and-ai-public-equity-fund/https://www.cbsnews.com/news/newsom-proposes-federal-billionaire-tax-and-ai-public-equity-fund/Fri, 26 Jun 2026 15:44:00 GMTCalifornia voters to decide in November on proposal to increase taxes on billionaireshttps://www.cbsnews.com/sacramento/news/california-billionaire-tax-proposal-makes-november-ballot/https://www.cbsnews.com/sacramento/news/california-billionaire-tax-proposal-makes-november-ballot/Fri, 26 Jun 2026 02:45:35 GMTIt’s official. California voters will decide whether to tax billionaireshttps://calmatters.org/health/2026/06/health-ballot-measures-deal-billionaires/https://calmatters.org/health/2026/06/health-ballot-measures-deal-billionaires/Fri, 26 Jun 2026 01:50:32 GMTYour November ballot: See the 14 measures California voters will decidehttps://calmatters.org/politics/2026/06/california-ballot-measures-november-election/https://calmatters.org/politics/2026/06/california-ballot-measures-november-election/Fri, 26 Jun 2026 01:31:18 GMTCalifornia’s proposed billionaire tax: what you need to knowhttps://www.theguardian.com/us-news/2026/jun/25/california-billionaire-tax-explainerhttps://www.theguardian.com/us-news/2026/jun/25/california-billionaire-tax-explainerFri, 26 Jun 2026 00:15:01 GMTCalifornia ‘billionaire tax’ makes ballot despite opposition from tech mogulshttps://www.theguardian.com/us-news/2026/jun/18/california-billionaire-tax-ballot-tech-oppositionhttps://www.theguardian.com/us-news/2026/jun/18/california-billionaire-tax-ballot-tech-oppositionFri, 19 Jun 2026 00:08:17 GMTCalifornia billionaire tax proposal clears signature hurdle for November ballothttps://www.cbsnews.com/sacramento/news/california-billionaire-tax-eligible-november-ballot/https://www.cbsnews.com/sacramento/news/california-billionaire-tax-eligible-november-ballot/Thu, 18 Jun 2026 15:00:42 GMTOpinion | As ballot deadline nears, will California's billionaire tax actually go to voters?https://calmatters.org/commentary/2026/06/billionaire-tax-measure-ballot-deadline/https://calmatters.org/commentary/2026/06/billionaire-tax-measure-ballot-deadline/Wed, 17 Jun 2026 12:00:00 GMTMid-Year Movers and the California Wealth Taxhttps://taxfoundation.org/research/all/state/california-billionaire-wealth-tax-legal-challenges/https://taxfoundation.org/research/all/state/california-billionaire-wealth-tax-legal-challenges/Tue, 26 May 2026 20:02:08 GMTWhy California progressives’ push to tax the rich could worsen the budget problemhttps://calmatters.org/politics/2026/04/tax-the-rich-california-budget/https://calmatters.org/politics/2026/04/tax-the-rich-california-budget/Tue, 14 Apr 2026 12:15:00 GMTCalifornia billionaires’ tax is a no-brainer for liberal Democrats, right? Wrong.https://calmatters.org/politics/2026/04/billionaire-tax-labor-divided/https://calmatters.org/politics/2026/04/billionaire-tax-labor-divided/Thu, 09 Apr 2026 12:15:00 GMTCalifornia’s Proposed Billionaire Wealth Tax and the Question of State Residencyhttps://taxpolicynetwork.org/californias-proposed-billionaire-wealth-tax-and-the-question-of-state-residency/https://taxpolicynetwork.org/californias-proposed-billionaire-wealth-tax-and-the-question-of-state-residency/Mon, 06 Apr 2026 15:49:49 GMTOpinion | Government money made Silicon Valley’s tech titans rich. A billionaire tax won't hurt themhttps://calmatters.org/commentary/2026/03/billionaire-tax-tech-titans-california/https://calmatters.org/commentary/2026/03/billionaire-tax-tech-titans-california/Tue, 24 Mar 2026 12:00:00 GMTExpert Report on the California 2026 Billionaire Tax: Revenue, Economic, and Constitutional Analysishttps://itep.org/expert-report-on-the-california-2026-billionaire-tax-revenue-economic-and-constitutional-analysis/https://itep.org/expert-report-on-the-california-2026-billionaire-tax-revenue-economic-and-constitutional-analysis/Thu, 19 Mar 2026 20:54:38 GMTCalifornia’s Proposed 2026 Billionaire Tax Act: What You Need to Knowhttps://www.foley.com/insights/publications/2026/03/californias-proposed-2026-billionaire-tax-act-what-you-need-to-know/https://www.foley.com/insights/publications/2026/03/californias-proposed-2026-billionaire-tax-act-what-you-need-to-know/Mon, 16 Mar 2026 16:13:32 GMTBernie Sanders and Gavin Newsom become adversaries over push to tax California billionaireshttps://apnews.com/article/california-billionaires-bernie-sanders-gavin-newsom-democrats-87a1e54f463aad49a2093382969e5ccahttps://apnews.com/article/california-billionaires-bernie-sanders-gavin-newsom-democrats-87a1e54f463aad49a2093382969e5ccaWed, 18 Feb 2026 05:09:47 GMTOpinion | Billionaires aren’t going to flee California. Others will without a budget fixhttps://calmatters.org/commentary/2026/02/billionaire-wealth-tax-california-budget/https://calmatters.org/commentary/2026/02/billionaire-wealth-tax-california-budget/Mon, 02 Feb 2026 13:30:00 GMTNew California Wealth Tax Heads to the 2026 Ballot: Who Would Pay, What's at Stake and What Happens Nexthttps://www.kiplinger.com/taxes/new-california-wealth-tax-whats-happeninghttps://www.kiplinger.com/taxes/new-california-wealth-tax-whats-happeningTue, 20 Jan 2026 15:21:00 GMTHealth advocates to Newsom: Find new money or let millions lose Medi-Cal coveragehttps://calmatters.org/politics/2026/01/billionaires-tax-health-funding/https://calmatters.org/politics/2026/01/billionaires-tax-health-funding/Thu, 15 Jan 2026 13:30:00 GMTCalifornia’s Proposed ‘Billionaire Tax’: Nine Things to Knowhttps://capx.cooley.com/2026/01/14/californias-proposed-billionaire-tax-nine-things-to-know/https://capx.cooley.com/2026/01/14/californias-proposed-billionaire-tax-nine-things-to-know/Wed, 14 Jan 2026 23:05:46 GMTThe Proposed California Wealth Tax Is Far Higher than 5 Percenthttps://taxfoundation.org/research/all/state/california-wealth-tax-billionaires-proposal/https://taxfoundation.org/research/all/state/california-wealth-tax-billionaires-proposal/Wed, 14 Jan 2026 17:33:48 GMTWhat to Know About California's Proposed 'Billionaire Tax'https://time.com/7345976/california-billionaire-wealth-tax-newsom/https://time.com/7345976/california-billionaire-wealth-tax-newsom/Tue, 13 Jan 2026 22:01:00 GMTPeter Thiel makes $3m donation to fight California’s proposed billionaire taxhttps://www.theguardian.com/us-news/2026/jan/12/peter-thiel-donation-california-billionaire-taxhttps://www.theguardian.com/us-news/2026/jan/12/peter-thiel-donation-california-billionaire-taxMon, 12 Jan 2026 23:19:31 GMTMayor Matt Mahan of San Jose, Silicon Valley's largest city, criticizes proposed California billionaires' taxhttps://www.cbsnews.com/sanfrancisco/news/california-billionaires-tax-silicon-valley-san-jose-mayor-matt-mahan-opposed/https://www.cbsnews.com/sanfrancisco/news/california-billionaires-tax-silicon-valley-san-jose-mayor-matt-mahan-opposed/Thu, 08 Jan 2026 18:14:00 GMTCan California Legally Tax Billionaires’ Wealth? What the New Measure Triggershttps://www.finance-monthly.com/california-wealth-tax-legal-issues/https://www.finance-monthly.com/california-wealth-tax-legal-issues/Tue, 18 Nov 2025 07:33:44 GMT