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This entry addressed EPA's plans to propose a TSCA section 4 test rule to obtain specific information on human health, fate, and environmental effects for various chemical esters of brominated phthalate acids. The chemicals were identified for further assessment under the TSCA Work Plan for Chemical Assessments. The Work Plan indicates that chemical risk assessments will be conducted if, as a result of scoping and problem formulation, there are exposures of concern, identified hazards, and sufficient data for quantitative analysis. In August 2015, the EPA published a problem formulation and data needs assessment on the Brominated Phthalates Cluster Flame Retardants after scoping and problem formulation concluded that the toxicological and exposure profile for the cluster was incomplete and inadequate to develop a TSCA Work Plan risk assessment. On June 22, 2016, President Obama signed into law the Frank R. Lautenberg Chemical Safety for the 21st Century Act which amends the Toxic Substance Control Act (TSCA), the Nation's primary chemicals management law. A summary of the new law, which includes much needed improvements to TSCA, is available at https://www.epa.gov/assessing-and-managing-chemicals-under-tsca/frank-r-lautenberg-chemical-safety-21st-century-act. The TSCA amendments enable EPA to require the development of new information relating to a chemical substance through the issuance of an order. EPA has decided to exercise its order authority under TSCA to obtain the information on human health, fate, and environmental effects for various chemical esters of brominated phthalate acids. Therefore, this test rule is being withdrawn.