Which of the following is NOT a requirement for animals kept in assisted living facilities?

The correct choice highlights that regular grooming is not explicitly mandated as a requirement for animals in assisted living facilities. While grooming is certainly beneficial for the well-being of animals and can contribute to a clean and hygienic environment, it does not fall under the formal requirements set forth by regulations.

In contrast, vaccination against rabies is typically a critical requirement, as it ensures that the animals do not pose a health risk to residents or staff, especially in communal living settings. Licensing consistent with local ordinances is also crucial because it ensures that the facility complies with local laws regarding animal ownership and care, which can vary by jurisdiction. Maintaining sanitation is essential to prevent issues such as disease transmission and to promote a safe living environment for all residents, making it a non-negotiable requirement for animals in such facilities.

Thus, while regular grooming enhances the quality of life for the animals and can keep the environment pleasant, it is not a formal requirement compared to the other critical regulations.