Wisconsin Chapter 21 is the state's administrative code of laws governing various types of businesses, organizations, and public services. It is divided into four main parts: Administrative Rules, Licensing, Administrative Services, and Miscellaneous. Administrative Rules covers topics such as public health and safety, environmental protection, and animal husbandry. It also regulates activities such as professional licensing, business practices, and product labeling. Licensing sets out the requirements for obtaining licenses and certifications from the state for various professions and businesses. It also outlines the process for renewing these licenses and certifications. Administrative Services provides information on the state's administrative structure, including rules and regulations governing personnel and financial management. It also outlines the procedures for filing complaints and appeals. Miscellaneous contains a variety of additional information, including state-specific statutes and regulations, as well as information on the state's budget process and its taxation system. Wisconsin Chapter 21 is an important resource for businesses, organizations, and individuals who need to understand the state's laws and regulations.