This paper analyzes the weaknesses of the legislative authority of the Regional Representative Council (DPD) in the Indonesian constitutional system and offers a reconstruction concept to strengthen the role of the DPD. Although the DPD is designed as a regional representation in a bicameral system, its limited authority only includes submitting, discussing, and providing considerations to draft laws related to the region. This limitation creates an imbalance between the DPR and the DPD, making the DPD ineffective in fighting for regional interests. This study uses a juridical-normative method with a regulatory, historical, comparative, and conceptualization approach to analyze legal norms and the concept of political representation from John Stuart Mill and Hanna Pitkin. The results show the need for reconstruction of Article 22D of the 1945 Constitution, including granting the right to independent legislative initiative and equal involvement in final decision-making, in order to create a strong bicameral system. Lessons learned from the bicameral systems in Australia and Germany show that strong regional representation supports the balance of legislative power. This reform is expected to strengthen the DPD as an effective regional representative in national legislation, support regional aspirations, and maintain the integrity of the Unitary State of the Republic of Indonesia. Keywords: Regional Representative Council, Legislative Authority, Regional Representation, Bicameral System, Amendment to the 1945 Constitution.
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