The main purpose of this legislation is to ensure that Congress is informed about significant art-related purchases made by the Department of State. It aims to increase transparency and oversight regarding how taxpayer money is spent on art and design for U.S. diplomatic facilities. Key provisions of the legislation require the Secretary of State to notify Congress at least 15 days before spending more than $37,500 on art or related services. This applies to three specific programs: the Art in Embassies Program, the Residential Design Program, and the Cultural Heritage Program.