This article discusses the implications of the Beni v Minister for Immigration and Border Protection [2018] FC case on Australian migration law. It highlights the importance of filing applications on time at the Administrative Appeals Tribunal and the consequences of not doing so. The article also explores the requirements for visa applications, the role of transitional provisions, and the need for timely application in various situations. It further discusses the power of the AAT to extend time limits and emphasizes the significance of making applications in writing.