Puerto Rico Marital-deduction Residuary Trust with a Single Trust or and Lifetime Income and Power of Appointment in Beneficiary Spouse is a type of trust structure that is utilized in estate planning in Puerto Rico. This specific trust arrangement allows an individual, known as the trust or, to transfer their remaining assets to a trust, thereby ensuring the financial well-being of their spouse. In this trust, the trust or designates their spouse as the beneficiary, granting them the right to receive income generated by the trust assets throughout their lifetime. The trust or can allocate different types of assets, such as real estate, investments, or businesses, into the trust's residuary assets. These assets will be managed by a trustee appointed by the trust or. One critical feature of the Puerto Rico Marital-deduction Residuary Trust is the power of appointment given to the beneficiary spouse. This power allows the beneficiary spouse to designate who will inherit the trust's remaining assets upon their passing. This provision enables flexibility and control over the distribution of assets, ensuring that the trust's intentions align with the beneficiary spouse's wishes. Different variations of the Puerto Rico Marital-deduction Residuary Trust with a Single Trust or and Lifetime Income and Power of Appointment in Beneficiary Spouse may include: 1. Irrevocable Marital-deduction Residuary Trust: This trust structure is considered irrevocable, meaning any assets placed in the trust cannot be reclaimed or altered by the trust or once transferred. This provides added protection against potential disputes or changes in circumstances. 2. Testamentary Marital-deduction Residuary Trust: This type of trust is established through the trust or's last will and testament and only becomes effective upon the trust or's death. It allows the trust or to control the distribution of assets while providing the surviving spouse with lifetime income and the power of appointment. 3. Granter Retained Income Trust (GRIT): A GRIT is a variation of the Puerto Rico Marital-deduction Residuary Trust where the trust or retains the right to receive income from the trust for a specified period, with the remaining assets passing to the beneficiary spouse. It can be an effective estate planning tool for minimizing estate taxes. 4. Credit Shelter Trust (CST): Although not specifically mentioned in the query, it is worth noting that a CST is a common type of trust employed in conjunction with a Puerto Rico Marital-deduction Residuary Trust. A CST allows the trust or to maximize the use of their estate tax exemption, ensuring that the assets transferred to the trust are not subject to estate taxes upon their death. In conclusion, the Puerto Rico Marital-deduction Residuary Trust with a Single Trust or and Lifetime Income and Power of Appointment in Beneficiary Spouse provides a comprehensive estate planning solution. It safeguards the financial security of the surviving spouse while allowing for flexibility through the power of appointment. Different variations of this trust structure cater to specific individual needs and objectives, making it a valuable tool in Puerto Rico's estate planning arsenal.