A South Dakota Marital-deduction Residuary Trust with a Single Trust or and Lifetime Income and Power of Appointment in Beneficiary Spouse is a type of trust that provides various benefits and protections for married couples in estate planning. This specific trust structure offers specific advantages to the trust or (individual creating the trust) and the beneficiary spouse (the married partner who receives the trust assets). The trust operates in such a way that the trust or funds the trust with their assets while they are alive or upon their death. The assets then become a part of the trust and are managed by a designated trustee, who is responsible for administering the trust in accordance with its terms and the applicable laws. One of the key features of this type of trust is the marital deduction. The trust or's assets are passed to the trust estate, and the beneficiary spouse is entitled to receive income generated by the trust assets during their lifetime. This ensures that the beneficiary spouse has a source of income to sustain their needs after the trust or's demise. Furthermore, a Power of Appointment is provided to the beneficiary spouse in this trust structure. This means that the beneficiary spouse has the authority to decide how the trust assets will be distributed after their death. They can appoint these assets to specific individuals or entities, including themselves, their children, or others. This power allows the beneficiary spouse to retain control and flexibility over the trust assets even after the trust or's passing. South Dakota is recognized as an attractive jurisdiction for establishing this type of trust due to its favorable trust laws. The state offers various advantages, such as no state income tax on trusts and no rule against perpetuates, making it an appealing option for estate planning. Different variations of the South Dakota Marital-deduction Residuary Trust with a Single Trust or and Lifetime Income and Power of Appointment in Beneficiary Spouse may exist based on specific modifications or additions to the trust's terms or unique requirements of the trust or and beneficiary spouse. It is crucial to consult with an experienced estate planning attorney or financial advisor to tailor the trust provisions to meet individual circumstances and goals. In summary, the South Dakota Marital-deduction Residuary Trust with a Single Trust or and Lifetime Income and Power of Appointment in Beneficiary Spouse offers married couples several advantages in estate planning. It allows for the seamless transfer of assets, provides income for the surviving spouse, and grants the beneficiary spouse the flexibility to distribute the trust assets as they see fit.