Original sentence: He implemented a "Constituent Bill of Rights" that ensures that constituents phone calls are returned within a single workday, that constituents are included in all land-use decisions in their neighborhood, and that all constituent concerns are tracked on a computer system that details all actions taken on that particular case
Edited sentence: He implemented a "Constituent Bill of Rights" that ensures that constituents' phone calls are returned within a single workday, that constituents are included in all land-use decisions in their neighborhood, and that all constituent concerns are tracked on a computer system that details all actions taken on that particular case