Legislation research involves studying and analyzing laws, rules, and regulations that have been passed by governmental bodies at the local, state, or federal level. Researchers in this area examine the text of laws, their history, interpretation, implementation, and impact on society. They may also analyze court cases, legal precedents, and legislative debates to better understand the intent and consequences of specific laws. This research can be used to inform policy decisions, advocate for legal changes, or provide guidance to legal professionals and policymakers.