1. Short title This Act may be cited as the Chuckwalla National Monument Establishment and Joshua Tree National Park Expansion Act of 2023 . 2. Chuckwalla National Monument Tribal Commission (a) Establishment Not later than 180 days after the date of enactment of this Act, the Secretary shall establish a commission, to be known as the Chuckwalla National Monument Tribal Commission . (b) Membership (1) Makeup The Commission shall include a representative from each culturally affiliated Tribe. (2) Process The Secretary shall conduct government-to-government consultation with each culturally affiliated tribe to determine the membership of the Commission. (c) Duties (1) Duties of the commission The Commission shall inform and provide input to the development and implementation of the management plan alongside federal agencies. (2) Duties of the secretary The Secretary shall— (A) ensure the Commission is equitably involved in the development and implementation of the management plan and the subsequent management of the Monument; (B) incorporate into the management plan— (i) the traditional and historical knowledge and special expertise of the Commission; and (ii) public education and interpretation for traditional place names and the cultural significance of lands within the Monument, as the Secretary and the Commission determine to be appropriate