
For high-net-worth families, preserving every available estate tax exemption is essential to protecting generational wealth. When one spouse passes away, the Deceased Spousal Unused Exemption (DSUE) allows the surviving spouse to inherit any unused portion of the federal estate tax exemption—potentially safeguarding millions in assets from future taxation. However, this opportunity is only available through timely filing of IRS Form 706. In this post, we explain how portability works, why it matters for affluent families, and how strategic planning can ensure your legacy remains intact for future generations.