Requires use of uniform silver flags to mark certain pesticide applications.

New Jersey's A4077 requires commercial pesticide applicators to mark pesticide application areas with uniform silver flags that stay visible for at least 72 hours. These flags must be silver, consistent in size and type, and display information in both English and Spanish. The bill also prohibits using silver flags for other purposes - such as marking underground utility lines, invisible dog fences, or septic tanks - to prevent confusion with pesticide warnings. The New Jersey Department of Environmental Protection will develop implementing rules, and the law takes effect one year after enactment.