www.daypitney.com/insights/publications/2018/12/epu1-complementary-philanthropy-using-both
www.vanguardcharitable.org/blog/blog_working_together_private_foundations_and_donor_advised_funds
Update:
www.steptoe.com/en/news-publications/senators-king-and-grassley-introduce-daf-and-private-foundation-reform-legislation.html
www.jdsupra.com/legalnews/senate-bill-proposes-dramatic-changes-4162415/
www.king.senate.gov/imo/media/doc/ace_act.pdf
www.pbwt.com/content/uploads/2021/06/Alert_Senate-Bill-Proposes-Dramatic-Changes-for-Donor-Advised-Funds-and-Private-Foundations-3.pdf
frostbrowntodd.com/aced-out-of-the-parking-lot-proposed-limits-to-use-of-dafs/#page=1