This Decision establishes conditions for partnerships and foundations pursuant to Articles 16, 17, and 53 of the Corporate Tax Law. It stipulates an Unincorporated Partnership is not a Taxable Person unless it opts for this status, which is irrevocable. A key change is that partner changes must now be reported only with the annual Tax Return, replacing the previous 20-day rule. For Foreign Partnerships, a key condition is not being subject to a similar tax in their home jurisdiction. For Family Foundations with public benefit entity beneficiaries, specific conditions on income derivation and distribution apply. This Decision repeals Ministerial Decision No. 127 of 2023.