Box 3 Reform: Keep Tax Cash and Records Separate Oct 1, 2026 Ledger & Tax XTROVERSO Box 3 reform may change tax timing, but founders still need separate cash plans and complete records for privately held assets. Box 3 reform Dutch tax LEDGER & TAX box 3 capital gains cash flow founder finance owner-manager private wealth tax records Read more
When a Box 1 Mortgage Choice Becomes Final Sep 30, 2026 Ledger & Tax XTROVERSO A choice between Box 1 and Box 3 can become fixed once the purchase-year assessment is irrevocable. Check the original loan and tax records first. Box 1 LEDGER & TAX Mortgage tax box 3 founder finance mortgage interest own-home debt private cash flow tax filing tax governance Read more
